how does cystic fibrosis increase the risk of respiratory infections such as bronchitis and pneumonia?

a.by causing mucus to build up in airways.

b.by destroying cells of the immune system.

c.by reducing blood flow to the lungs.

d.by increasing air flow to the lungs.

Answers

Answer 1

Answer:

CFTR controls the flow of water and salt in and out of the body's cells. Changes cause mucus to become thickened and sticky. This first affects the small airways in the lungs. Over time, it can affect all airways.

Explanation:

Brainliest please?


Related Questions

8 Answer:
_____ is the best and least expensive way of destroying microbes.
a. Freezing c. Radiation
b. Controlling moisture levels d. Heat
9 Answer:
Because of its _____, food is a good place for microbes to grow.
a. volatility c. nutrients
b. nooks and crannies d. temperature
10 Answer:
Every 18°F (10°C) that the temperature of a food is reduced
slows chemical and biochemical reactions by almost _____.
a. three quarters c. one third
b. one half d. two thirds

Answers

Answer:

8: d: Heat.

9: c: Nutrients.

10: b: One Half (?).

Hope this helps <33

Identify the functions performed by all living cells/orgamisms

Answers

All living organisms share key functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing.

Answer:

Whether in plants, humans, or animals, they connect to create a solid, well formed organism. In humans, cells build tissues, tissues form organs, and organs work together to keep the body alive.

Explanation:

if correct mark me brainliest

Biodiversity is important for the sustainability of ecosystems. However, many of the human actions that are aimed at growing communities are decreasing the biodiversity of these areas, leaving populations and ecosystems vulnerable. As human populations grow, the terrestrial and aquatic ecosystems they use may be transformed by the efforts of human beings and biodiversity losses typically accompany these processes. Which of these actions decrease biodiversity and threaten sustainability? Select ALL that apply.
A Regulated hunting seasons artificially decrease hunted populations, often leading to extinctions.
B Decreased use of pesticides and fertilizers can allow for increased damage to plant life.
C Invasive (non-native) species may outcompete native species for food and habitat.
D Habitat destruction reduces or eliminates the food resources and living space for most species.
E Pollution from building and commercialization can create health problems in exposed organisms.

Answers

Habitat destruction reduces or eliminates the food resources and living space for most species. So the correct option is D.

What is biodiversity?

The diversity of animals, plants, fungi, and even microorganisms like bacteria that comprise up our natural environment are all included in what is known as biodiversity.

These many species and critters collaborate in complicated web-like ecosystems to keep things in balance and support life. All of nature that we require for survival, including food, fresh water, medicines, and shelter, is supported by biodiversity.

We run the danger of disturbing the equilibrium of ecosystems and losing biodiversity as people put more and more strain on the world by utilising and consuming more resources than ever before.

herefore the correct option is D.

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What is the "Myth of Continents"? What are "World Regions"?

Answers

The Myth of Continents provides fresh insight into how our conceptions of geography as a whole developed from cultural ideas. It explains how the first continental divisions emerged during the classical period and how the Urals came to serve as the boundary between the so-called continents of Europe and Asia.

The continents of Europe, Asia, and North America were formed when two enormous land masses split apart from one another. Australia and Antarctica eventually split apart and moved south while remained connected. The Earth's Northern and Southern hemispheres are separated by the Equator, sometimes known as the line of 0 degrees latitude. North America, the northern third of South America, Europe, the northern two-thirds of Africa, and the majority of Asia are all found in the northern hemisphere.

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the most important factor contributing to the modern day extinction of hundreds of species on the eartjh

Answers

Answer:

More than a century of habitat destruction, pollution, the spread of invasive species, overharvest from the wild, climate change, population growth and other human activities have pushed nature to the brink.

Collect information regarding the hazardous diseases caused by
microorganisms. Prepare a Virtual Science Album regarding the microbes and the diseases caused by them.

Answers

Answer:

the best friend to strangers back to you soon love motorcycle pictures I love motorcycle ️ to Ask you too I don't know the answer

I’m almost done guys kind of stuck?

Answers

1. B 2. C 3. D 4. A 5. E is the concluded answer.

The contrary is true; the frequency is the quantity of completed wave cycles per second. Both amplitude and wavelength are length units. The height of the wave's crest relative to the wave's midline is measured by amplitude. The horizontal separation between cycles is measured by the wavelength. While frequency, cycle, and wavelength are constant, the wave form has lower peak values the lower the power, or amplitude. Example 5: The height or peak of the wave form illustrates amplitude. Despite having the same frequency, cycle, and wavelength, two or more wave patterns may not be perfectly aligned.

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1. What is the purpose of the mitochondria?

2. If mitochondria stops working, list the 3 types of transport that will
be affected most.

3. Explain why the transports you choose will be affected most.

Answers

Answer:

1.The Mitochondria is the power house of the cell. is generates most of the ATP.

The debate the founding fathers had over legislature was?

Answers

The debate that the founding fathers of America had over the legislature was known as the Great Debate.

The change from the Articles of Confederation to the United States Constitution wasn't smooth, and there were numerous lengthy discussions both before and after the convention to address the issues with the earlier document. But one thing was clear, something needed to change. The Constitutional Convention of 1787 brought together fifty-five delegates to discuss the best ways to modify the existing text.The Federalists and the Anti-Federalists represented opposing viewpoints in the Great Debate. The Anti-Federalists opposed the ratification of the Constitution, whereas the Federalists did. The inclusion of the Bill of Rights was one of the main topics of discussion between these two parties. The Federalists claimed that this amendment was unnecessary since, as written, the Constitution merely limited the powers of the government, not the people. The Anti-Federalists argued that without a Bill of Rights, the populace would be vulnerable to despotism and that the Constitution granted the federal government an excessive amount of power.

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11. Obesity, high sodium intake, low potassium and calcium intake and excessive alcoho
consumption are all nutritional factors that may contribute to the development of
A. Constipation
B. Hypertension
C. Peptic ulcer disease
D. Leukemia

Answers

Hypertension

hypertension is defined as a Systolic blood pressure of more  than or equal to 160 mm Hg or a Diastolic blood pressure of more than or equal to 100 mm Hg.hypertension  causes an inflammatory response, which causes a cascade of responsesled to atherosclerosisCardiovascular, brain, kidney, eyes are affected by hypertensionprehypertension is a SBP of 120 to 139 mmHg or DBP of 80 to 89 mmHg.primary hypertension is Elevated BP without an identified cause accounts for 90 to 95% of all hypertension casessecondary hypertension is Elevated BP with a specific cause that can often be identified and corrected should be suspected in people that suddenly develop hypertension, examples, brain tumor, thyroid disease

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You are a public health specialist giving a presentation to a Senate committee about how to increase rates of breast-feeding in the United States. Based on the text's points, what suggestions might you make?

Answers

Being public health specialist suggestions to increase rates of breast-feeding in the United State:

-Nutritional Benefits

-Breast milk protects newborns from dyspnea

-breastfed infants have a lower risk of dying from SIDS

-breast milk builds and strengthens the newborn's immune system

-Breastfeeding helps prevent endometrial, ovarian, and cervical cancer and reduces the risk of breast cancer

Benefits of Breastfeeding Infants:

Nutritional Benefits Breast milk contains a range of nutrients that help protect newborns from illness and infection. It contains ideal ratios of carbohydrates, fats, proteins and vitamins. It also contains white blood cells, which are living cells found only in breast milk. They help prevent infection. Breast milk is an ideal choice as it contains living cells, enzymes, hormones and antibodies. Breast milk protects them from infections and fatal diseases.It protects infants from dangerous diseases such as influenza and diarrhea. Breastfed infants have a lower incidence of severe diarrhea.

Newborn airways may receive specific or general immunity from breast milk, which is important in the early postnatal period when the infant's immune system is still developing.

Breast milk protects newborns from dyspnea, wheezing, and other respiratory-related infections during the first four months of life. Because of their well-developed immune systems, formula-drinking children are more likely to develop respiratory problems, severe middle ear infections, and long-lasting middle ear infections. Breast milk is also essential to protect against herpes virus II infection.

It has also been shown that breastfed infants have a lower risk of dying from SIDS (Sudden Infant Death Syndrome), as their strong immunity to breast milk protects them from respiratory and gastrointestinal diseases.

In summary, all these results from various studies strongly indicate that breast milk builds and strengthens the newborn's immune system.

Cognitive benefits:

In addition to nutritional and immune benefits, breastfeeding supports brain development in premature babies. Improved cognitive performance and academic performance in children are associated with breastfeeding. The use and continuation of breastfeeding enhances cognitive development of social and psychomotor skills.

Health Benefits for Breastfeeding Mothers

The benefits of breastfeeding aren't just for babies. Breastfeeding a premature baby is also beneficial for the mother. Breastfeeding helps prevent endometrial, ovarian, and cervical cancer and reduces the risk of breast cancer. It protects against bone-related health problems such as osteoporosis and hip fractures and reduces the risk of anemia.

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Which of the following is an ADVANTAGE of using coal for energy?

A. it has lots of impurities

B. it produces lots of ash

C. it releases lots of carbon dioxide

D. it releases lots of heat​

Answers

Answer:

the answer is D. it releases lots of heat

Coal releases lots of heat is an advantage of using coal for energy. Therefore, the correct statement is option D.

What are the disadvantages of using coal?

Coal is a fossil fuel that is used to generate energy in many parts of the world. When coal is burned, energy is released in the form of heat that generates electricity. Coal is a fossil fuel used for centuries to provide heat to homes, industries, etc., and provides a significant source of electricity in many parts of the world.

Coal is also relatively abundant and is easily transported, which makes it cost-effective for energy production. However, there are also several disadvantages to using coal.

Burning coal produces a large amount of carbon dioxide, a greenhouse gas contributing to climate change. Coal mining and transport also have negative impacts, such as air and water pollution, habitat destruction, and displacement of communities.

Therefore, coal releases lots of heat is an advantage of using coal for energy.

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Why does oil not dissolve in water?
-Water molecules form hydrogen bonds with each other and exclude oil molecules.
-Oil molecules covalently bond together, forming droplets that separate from water.
-Water molecules do not form strong attractions to nonpolar molecules, like the ones in oil.
-Oil is less dense than water, which causes it to separate from water instead of dissolving.

Answers

Water molecules make hydrogen bonds with each other, it exclude oil, which is a hydrophobic substance.

what are the properties of water molecule ?

It is a polar molecule which is  odorless, more transparent; Its nucleus contain the oxygen atom of water attracts electrons than the nuclei of the hydrogen atoms of the molecule

There are different property of water molecule like strong cohesive property in which the attraction of molecules  is referred to as cohesion.

The molecule of Water composed up of one oxygen atom and two hydrogen atoms which are hydrophobic, oil is non polar or hydrophobic molecule can not  attracted to water molecules.

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A volcanic eruption covers a wide area of forest with ash lava and volcanic rock which of these describes the first stage of ecological succession that will begin to return biotic factors back to the forest community and return it to a state of equilibrium

Answers

The process of primary succession will take place to return the forest to a state of equilibrium.

After an earthquake or volcanic eruption, lichens break down the rocks to produce new, nutrient-rich soils. This process is known as primary succession. Pioneer species are the first species that settle a region following a significant disturbance; they contribute to shaping the new ecosystem. Primary succession happens when new land is created or rock is exposed, such as after a volcano eruption like the ones on Hawaii's Big Island. New land is continuously being generated as the lava flows into the ocean. Every year, the Big Island gains about 32 acres of new land. First, certain hardy plants and lichens with little soil requirements, known as pioneer species, can develop because weathering and other natural forces degrade the substrate sufficiently.

Therefore, option C. is correct.

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Define restorative care and what role it would play in helping with Mrs gregs rehabilitation how could the psw assist with this process

Answers

Restorative care has been a part of the process of rehabilitation and it totally focuses on helping the patients to regain their old happy and independent life.

What is restorative care?

Restorative care is defined as mental care, social care, as well as emotional care. Restorative care has been a part of the process of rehabilitation and it totally focuses on helping the patients to regain their old happy and independent life.

The main objective of rehabilitation center is to minimize the harmful effect of the dangerous health diseases as well as conditions generated from the chronic diseases.

Therefore, Restorative care has been a part of the process of rehabilitation and it totally focuses on helping the patients to regain their old happy and independent life.

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We're not sure what the function of
a. exocytosis
b. osmosis
c. pinocytosis
d. phagocytosis
…is

Answers

Answer:

read explanation

Explanation:

the cells transporting substances from the interior of the cell then to the exterior of the cell

something in an experiment that can changed is called what?
a. cell.
b. variable.
c. hypothesis.
d. dependent

Answers

Answer:

B

Explanation:

If data is biased, the data is 40. It might be Partially correct, but it is not scientifically accurate true or false

Answers

Answer: True ( I think. )

Explanation:

A biased dataset does not accurately or truly represent a model's use case.

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Please help asap!! It's due Monday!! THE 1ST PAGE IS THE WORDS I NEED THE SECOND PAGE TO BE FROM!!

Answers

Scientific term is the related term, which shows and reveals science, which is neither ideological nor based on common sense. It is a term used in scientific language, unknown to those who are not scholars of a particular branch.

How do you spell the scientific name?

procarionte - before, in front/nucleusosteocyte - bone/ cellmacrophage - large / eatmicroscope - small / instrument for viewingeukaryote - good,true / nucleusgenealogy - race, offspring / studyphotosynthesis - light / to put togetherautotroph - self-operating / food, feedingmetaphase - a boundary, or turning point/ appearenceglycolysis - sugar / a releasing, looseningtonsillectomy - an end,complete / cut outextracellular - out/ having to do with cells

With this information, we can conclude that Such a name is called a binomial name or a scientific name. The generic name or the initial part of the name highlights the genus to which an organism belongs.

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Which statement best represents how structure relates to function?

(A) A deer's horizontal pupils help it scan the horizon for predators.

(B) People can develop a tolerance for spicy food over time.

(C) Tortoises in the wild can live for more than 150 years.

(D) Labrador retrievers can be black, yellow, or chocolate colored.

Answers

A

The horizontal structure if the eye helps the function of scanning the horizon

A deer's horizontal pupils help it scan the horizon for predators. Option A is correct.

The statement "A deer's horizontal pupils help it scan the horizon for predators" best represents how structure relates to function in this context.

Structure-function relationship is a fundamental concept in biology that explains how the physical attributes (structure) of an organism are adapted to perform specific tasks or functions. In option (A), the horizontal pupils of a deer are its structural feature that is specifically adapted to serve the function of scanning the horizon for predators. Horizontal pupils provide a wider field of view, allowing the deer to monitor a larger area for potential threats. This adaptation enhances the deer's survival by increasing its awareness of its surroundings and the ability to detect predators early.

Options (B), (C), and (D) also relate to biological concepts but do not directly exemplify the concept of structure-function relationship as explicitly as option (A). While option (B) talks about human adaptation to spicy food and option (C) discusses tortoise longevity, they do not emphasize the direct connection between a specific structural feature and its function. Option (D) discusses color variation in Labrador retrievers, which is more about genetic diversity rather than a structural adaptation tied to a specific function.

In summary, the relationship between the structure (horizontal pupils) of the deer and its function (scanning the horizon for predators) in option (A) best illustrates the concept of how organisms' physical attributes are shaped by natural selection to perform specific tasks essential for their survival and success in their environment.

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Form a hypothesis to explain the shape of this graph

Answers

Answer:

Can you please show the graph for i can help you?

Explanation:

What is done with the oxygen left
as a product of photosynthesis?
A. used to build tissues
B. used as a waste product
C. used to remove carbon dioxide from plants
D. used as a light source

Answers

Answer:

B. used as a waste product

Explanation:

since oxygen is whats left after photosynthesis happens and is whats left

Answer:

c

Explanation:

Used to remove carbon dioxide from plants. That is how plants keep our air breathable. Correct me if I'm wrong.

and
wans
Using the 10% rule when
studying trophic pyramids, if
the primary consumers obtain
100 Joules of energy from the
autotrophs, how much energy
is then passed on to the
carnivores?
A. 100 Joules
B. 0.1 Joules
C. 10 Joule

Answers

Using the 10% rule when studying trophic pyramids, if the primary consumers obtain 100 Joules of energy from the autotrophs Carnivores receive an energy transfer of 10 Joules.

Trophic level is referred to as the level of an ecosystem as well as a nutritive chain or food chain.

What does the trophic level 10% rule mean?

The trophic level 10% rule states that only 10% of the energy in an ecosystem will be transferred from one trophic level to the next.

Based on their eating habits, a chain of organisms is separated into various tiers. The producers, or green plants, make up the first and lowest stratum, the primary consumers or the herbivores make the 2nd trophic level and the carnivores or secondary consumers make up the 3rd trophic level and within these energy is transferred.

In this question, the herbivores obtain 100J of energy from autotrophs now according to 10% law only 10% of this energy will be transferred to carnivores thus,

10 = [tex]x[/tex]/100 ×100

[tex]x[/tex]= 10J

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if calcium is given, then bone strength will increase. what is the controlled variable?

Answers

the controlled variable is the calcium

______ are chemical messengers secreted by glands.
Exocrine glands, such as sweat glands, secrete fluids through ducts. _______ glands secrete hormones directly into the bloodstream.
The _______ gland plays an important role in puberty and growth.
Epinephrine, triggering the "fight or flight" response, is produced by the _______ glands, which sit on top of the kidneys.
Most glands that secrete hormones operate using feedback mechanisms. When hormone concentrations are high, the gland will produce ________ of the hormone.
Many cells produce chemicals called _______, hormone-like substances that impact inflammation and reproduction.
The gland that helps regulate growth, body temperature, and the level of calcium in the blood is called the _______.

Answers

Hormones are chemical messengers secreted by glands.

In order to reach different organs and tissues throughout the body, endocrine glands release hormones (chemical messengers) into the bloodstream.

Endocrine glands secrete hormones directly into the bloodstream.

Hormones are directly released into the bloodstream by endocrine glands.

The pituitary gland plays an important role in puberty and growth.

The pituitary gland regulates a variety of essential bodily processes and functions, including metabolism, growth, sexual development, reproduction, blood pressure, and many others.

Epinephrine, triggering the "fight or flight" response, is produced by the adrenal glands, which sit on top of the kidneys.

Corticosteroid hormones and epinephrine, which are produced and released by the adrenal glands, keep blood pressure stable and control metabolism.

Less

When hormone concentrations are high, the gland will produce less of the hormone.

Many cells produce chemicals called steroids, hormone-like substances that impact inflammation and reproduction.

Eicosanoids (such as prostaglandins and thromboxanes), steroids, and phytoestrogens are examples of compounds that can be categorized as hormones (e.g. estrogen and brassinosteroid)

The gland that helps regulate growth, body temperature, and the level of calcium in the blood are called the thyroid and parathyroid.

The thyroid and parathyroid glands are situated behind the larynx, in the front of the neck (voice box). The metabolism of the body is significantly influenced by the thyroid. The balance of calcium in the body is controlled in part by the parathyroid glands.

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Answer:

Hormones

endocrine

pituitary

adrenal

less

prostaglandins

thyroid

Steroidal hormones enter the cell directly and interact with DNA inside the nucleus. These hormones change gene expression, affecting the RNA that is produced and the proteins that are translated in a cell. Nonsteroid hormones do not enter the cell. Instead, they bind to specific receptors on the outside of the cell membrane. This triggers molecules called secondary messengers, such as cAMP, to begin their work of relaying information in the cell, where other chemicals, messengers, and proteins are involved to create a cellular response.

Explanation:pf

Describe the physical characteristics of water that make it valuable resource for agricultural uses

Answers

Answer:

water helps crops to grow they have different kind of minerals in it which crips need to grow

what is the tonicity of honey

Answers

Answer:

Is honey hypertonic?

Image result for what is tonicity of honey

Honey is 70 to 80% sugar and this high percentage causes hypertonic conditions that may lead to lysis of microbial cell walls.

Explanation:

hope this helps

Honey is hypertonic, meaning it absorbs water quickly. As a result, it can keep a tear dry and draw off the fluid that bacteria require to survive.

What is tonicity?

Tonicity is a solution's ability to change the volume of cells by changing their water content. When water enters a cell, it can cause hypotonicity or hypertonicity when it exits the cell.

Hypotonic fluid contains less fluid, sugars, and salt than blood. Hypertonic fluid contains more fluid, sugars, as well as salt than blood.

Isotonic fluid, sugars, and salt concentrations are the same as those found in blood.

Honey is hypertonic, which means it quickly soaks up water. As a result, it can keep a tear dry as well as draw off the fluid required by bacteria to survive.

Honey has such potent antibacterial properties that it can treat severe conditions such as MRSA, which is recognized to be resistant to conventional antibiotics.

Thus, it can be concluded that honey is hypertonic.

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What is one of the purposes of hunting laws and regulations?

Answers

Answer: is the image

Explanation:

what is meaning of semenation ​

Answers

Answer:

I think you have spelt it wrong, it is cementation

Explanation:

Definition of cementation

1 : a process of surrounding a solid with a powder and heating the whole so that the solid is changed by chemical combination with the powder. 2 : the act or process of cementing : the state of being cemented.

Explanation:

After Having intercourse

Female look at male partner

And her partner semen at her in the end.

Benchmark Breakdown
Compare and contrast the relationships
among organisms, including predation,
parasitism, competition, commensalism, and
I
mutualism.
Into a "I can" statement
Please I need help

Answers

Predation is a relation in which member of one species consumes members of another species. Parasitism is a relation in which  one organism lives inside other organism.

In competition two species are competing for the resources. Commensalism is an association when one organism derives the benefit and others gets nothing. In mutualism both organisms are benefited.

In predation one organism is benefited usually predator and other is harmed usually prey. In parasitism also one organism is benefitted usually the parasite and other is harmed called host.

In competition both are harmed. In commensalism one organism is benefited and other is neither benefited nor harmed. In mutualism both the organisms are harmed.

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Describe the three objectives that guide pricing strategies. Which of these objectives is associated with a (1) skimming pricing policy and (2) penetration policy please help, easy multiple choice A boat travels 4 miles downstream in half an hour, and the same distance upstream in 2 hours. What is the speed of the boat in still water? evaluate. 25 5 + 7 - (4 x 3) = What is metacognition and how is it helpful in becoming a better reader? Use the distance formula to find the distance between the points (3, 6) and (8, -1). Round your answer to the nearest tenth place. Use the distance formula to find the distance between the points (14, -2) and (8, -9). Round your answer to the nearest tenth place. Use the distance formula to find the distance between the points (-5, -7) and (-14, -12) Round your answer to the nearest tenth place. Use the distance formula to find the distance between the points (10, 5) and (4, 9)Round your answer to the nearest tenth place. Use the distance formula to find the distance between the points (5, 13) and (9, -21). Round your answer to the nearest tenth place. PLEASE HELP ASAP!! a What is the diameter of a sphere with a volume of 9409 in, to the nearest tenth of an inch? What are natural and physical boarders? write an essay on the dark night Can someone help me really quick and explain. 30 points! There's a certain slant of light How does the poem's winter setting contribute to itstone?O A It helps develop the poem's gloomy tone.B It introduces an optimistic tone in the poem.C It emphasizes the poem's hopeless tone.OD It helps develop a reassuring tone The coordinates of the point Q are (-7,-8) and the coordinates of point R are (-7,0). What is the distance, in units, between the point Q and point R? can someone please help me with this ? I will mark brainlist I really need help ! How do you think soldiers at Fort Sumterfelt when their fellow Americans attackedthem? Which of these an opinion?A. The study is the largest one ever done about King Tut's life.B. The study has answered longstanding questions about King Tut's life.C. Scientists knew about the broken leg from a CT scan done in 2005,D. Scientists are paying too much attention to a 3,300-year-old mummy. Explain how rulers of the gunpowder empires (ottoman, safavid, mughal, king) used architecture to legitimize their power. give an example for each Which option correctly identifies the pure substance or substances? a. diamond b. salt A. a B. a and bC. b and c D. all of them can u please help with these questions, they're do in 10 minutes and I have trouble with angles Does anybody know how to do that A toy car accelerates at 3 m/s2 for 2 seconds. Its final velocity is 15 m/s, What is its initial velocity?