What is the strongest evidence to support the theory of evolution?
Perhaps the strongest fossil evidence for evolution is the continuity of the fossil record from prehistoric to modern times.
The Devonian, the age of the fishes, or human fossils amid dinosaur remains are not things we discover anyplace on Earth. The five assumptions that Darwin combined are evolution, or common descent, gradualism, species diversity, and natural selection. A theory is a reason for how a natural phenomena works that has been put to the test extensively through observations and tests meant to prove the correctness of the explanation. In this situation, evolution may be viewed as a theory as well as reality. It cannot be disputed that throughout Earth's history, living things have changed or evolved.
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The air pollutant least successfully removed from the air by technologies in developed nations is
A. carbon dioxide.
B. sulfur oxides.
C. nitrogen oxides.
D. particulate matter.
E. VOCs
Particulate Matter (PM) is the air pollutant least successfully removed from the air by technologies in developed nations.
Particulate matter is a mixture of solid particles and liquid droplets found in the air. Particulate matter is made up of liquid droplets, dust, dirt, soot, and smoke.
Particulate matter can be inhaled and can cause serious health problems, including respiratory and cardiovascular disease. PM is generated by a variety of sources including combustion, construction, and natural sources such as dust storms.
While many technologies have been developed to reduce PM emissions, they are not always effective in removing PM from the air, especially in heavily industrialized areas due to several factors.
One major reason is that particulate matter can come from a wide variety of sources, such as industrial emissions, transportation, agriculture, and natural sources such as dust storms and wildfires. This makes it difficult to target and effectively reduce the sources of particulate matter.
Another reason is that particulate matter can be transported over long distances by winds, making it difficult to contain and control. This means that even if local sources of particulate matter are reduced, it can still be a problem due to pollution from other areas.
Additionally, particulate matter is very small and can be hard to filter out of the air. The cost and technology required for filtration systems, like HEPA filters or electrostatic precipitators, can be expensive and challenging to implement, especially in developing countries.
In conclusion, particulate matter is a challenging air pollutant to remove, due to its various sources, its transportability, and the difficulty of filtration. A multi-pronged approach including reducing the sources, controlling emissions, and using advanced filtration systems is needed to effectively reduce particulate matter in the air.
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b. Discuss TWO differences between gametogenesis in male humans and gametogenesis in female humans.
Answer:
There are several differences between gametogenesis in male humans and gametogenesis in female humans. Here are two examples:
1. Location: Gametogenesis, or the production of gametes (sex cells), occurs in different locations in males and females. In males, gametogenesis occurs in the testes, which are located outside the body in the scrotum. In females, gametogenesis occurs in the ovaries, which are located inside the pelvis.
2, Quantity: Males and females also produce different quantities of gametes. Males produce millions of sperm cells each day, while females produce only a limited number of eggs. The production of eggs, or ova, is a slow process that occurs over a woman's lifetime, while the production of sperm is a continuous process that occurs throughout a man's life.
Overall, these differences reflect the unique reproductive roles and functions of males and females in sexual reproduction.
Use this graphic to answer the question.
An environmentalist uses a bar graph, a diagram, and a map as part of a presentation to Congress about global
warming.
Based on the process outlined in the diagram, what has most likely caused the higher levels of global surface
temperature since the 1980s, as shown in the bar chart?
O decreased ocean temperatures
O increased levels of greenhouse gases
O decreased solar and mermal radiation
O increased global surface temperatures
The various greenhouse gases' varying contributions to global warming are as follows: planting trees can reduce CO2 by 60%. More carbon dioxide is removed from the atmosphere by trees than is released.
What effects of global warming have you personally noticed? How has it influenced the planet thus far?Storms, heat waves, floods, and droughts are just a few of the disasters that are getting worse as a result of rising temperatures. Warmer temperatures produce an atmosphere that can hold onto, release, and gather more water. This alters weather patterns such that wet areas get wetter and dry ones to get drier.
How are climate change and global warming-related?The heat from the sun gets trapped on Earth as a result of greenhouse gas production. Global warming and climate change result from this. The rate of global warming is presently higher than it has ever been. Weather patterns are shifting as a result of warming temperatures, which is also upsetting the natural order.
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need help asap
question nine
- 20 points
Answer:
population is decreasing
Explanation:
Select all that apply.
Animals return water to the atmosphere through:
perspiration
respiration
evaporation
transpiration
elimination
Answer:
Respiration
Explanation:
Respiration process in animal release water vapour as we breathe out
Answer:
Elimination
Perspiration
Respiration
Explanation:
Sorry this is late but it's right.
Cell volume (and therefore cell function) in most cells is dependent upon careful regulation of
A) permeability of cell membranes.
B) blood pressure.
C) volume of extracellular fluid.
D) resting membrane potential.
E) osmolarity of extracellular fluid.
In most cells, careful management of cell volume (and hence cell function)
How do cells form?
Through a process known as the cell cycle, new cells are generated from existing cells. A cell has the ability to duplicate itself and give rise to two additional daughter cells. Every cell cycle requires the performance of two key functions. Cells must first create a perfect replica of their DNA. membrane potential during rest.
Where do cells develop?
Depending on the area of the body, it can take a cell from the moment it is formed in the base layer of skin until it is lost from the surface for around a month.
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In most cells, careful management of cell volume (and hence cell function)
How do cells form?
Through a process known as the cell cycle, new cells are generated from existing cells. A cell has the ability to duplicate itself and give rise to two additional daughter cells. Every cell cycle requires the performance of two key functions. Cells must first create a perfect replica of their DNA. membrane potential during rest.
Where do cells develop?
Depending on the area of the body, it can take a cell from the moment it is formed in the base layer of skin until it is lost from the surface for around a month.
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Como concientizar a las personas sobre la manera de usar el agua correctamente?
10 maneras please es un examen :(
Answer:
1.Tomar una ducha
2.Beberlo
3.Nada en él
4 juega con él
5.Ruin tecnología con ella
6.crecer plantas
Lo siento, eso es todo lo que realmente sé.
No sé mucho español, así que ... esto es difícil de escribir.
Espero que esto ayude por favor y mentalmente :D
explain the cause of imperialism. make sure to discuss all 3 of the c and describe why they were cause of imperialism
Among industrialized nations, economic competitiveness. Competition on the political and military fronts, especially the development of a powerful navy.
What is imperialism?A conviction that those of Anglo-Saxon ancestry are better on both a genetic and cultural level.
The rise of imperial authority and patriotism were the political causes of imperialism. They sought to exert as much power over the world as they could. The size of the country increased with the number of colonies.
Therefore, they searched for key areas where their ships and armies could have access from anywhere in the world.
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Need help ASAP! Will give you brainliest;) NO LINKS please, WILL REPORT.
Which represents a misuse of antibiotics which could lead to antibiotic resistance?
A). Taking antibiotics only when a bacterial infection is present
B). Finishing the antibiotic prescription even if you are feeling better days before the prescription ends
C). Physicians prescribing antibiotics to treat influenza (virus)
D). Physicians prescribing antibiotics to treat strep throat (bacteria)
Answer:
C
Explanation:
C's right because an antibiotic wouldn't fight a virus, it fights bacteria.
which describes the life cycle of a plant that has an alternation of generations a diploid sporophyte stage and diploid gametophyte stage
The life cycle of a plant that has an alternation of generations is (B) a diploid sporophyte stage and haploid gametophyte stage.
Plants alternate among haploid and diploid tiers (or generations) of existence. The gametophyte is the haploid level, and the sporophyte is the diploid level. These tiers are each kinds of the time period ploidy that's a notable technological know-how phrase that describes the quantity of units of chromosomes in a cell. Alternation of generations approach that flowers trade among one of a kind existence tiers, or generations, of their existence cycle; a haploid level known as gametophyte and a diploid level known as sporophyte.
Thus, the correct option is B i.e., a diploid sporophyte stage and haploid gametophyte stage.
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Complete question:
Which describes the life cycle of a plant that has an alternation of generations?
(A) a diploid sporophyte stage and diploid gametophyte stage
(B) a diploid sporophyte stage and haploid gametophyte stage
(C) a haploid sporophyte stage and diploid gametophyte stage
(D) a haploid sporophyte stage and haploid gametophyte stage
Desde hace siglos el cauce de los ríos no se aprovechó con molinos y rotores para aprovechar su fuerza y convertirla en energía mecánica.
Answer:
Falso (este principio es la base de la energía hidráulica la cual ha sido utilizada por siglos)
Explanation:
La energía hidráulica es un tipo de energía obtenida a partir del aprovechamiento de las corrientes de agua. La humanidad ha utilizado desde hace siglos la energía hidráulica producida por la corrientes de aguas de los ríos conectados con pequeña represas a fin de mover molinos y rotores, y así convertir la energía hídrica en energía mecánica, la cual a su vez puede ser utilizada para moler granos de cereales (molinos harineros) y también (más recientemente) para la generación de energía eléctrica. Las centrales hidroeléctricas representan la principal aplicación de la energía hidráulica en la actualidad. Las centrales hidroeléctricas utilizan el mismo principio que estos antiguos molineros harineros para producir energía, aprovechando la energía potencial del cauce del agua y su caída a un nivel inferior del cauce. En el caso de las centrales hidráulicas, el agua que cae se hace pasar por turbinas hidráulicas conectadas a un generador que produce energía eléctrica. La energía hidráulica representa un tipo de energía limpia con un gran potencial de rendimiento energético.
19. Discuss Choose one of the hypotheses about
the function of the shark's head shape. Describe
how a scientist might design an experiment to
test the hypothesis,
Answer:
This unique head shape has been termed the cephalofoil in recognition of its wing-like appearance. ... Some suggest the cephalofoil acts like a canard to provide hydrodynamic lift and increase maneuvering capabilities. Another hypothesis is that the cephalofoil functions in prey manipulation.
Explanation:
__________ are chemicals that enhance urinary output. nitrogenous wastes countercurrent exchangers diuretics countercurrent multipliers
A) secretagogues B) countercurrent multipliers C) countercurrent exchangers D) diuretics.
Diuretics are chemicals that enhance urinary output. nitrogenous wastes countercurrent exchangers diuretics countercurrent multipliers.
Diuretics, sometimes water pills and Removes salt (sodium) and water from the body called Most of these drugs help the kidneys release more sodium into the urine. Sodium aids in the removal of water from the blood, therefore decreasing the quantity of fluid moving through your veins and arteries.
The nitrogenous waste products excreted by the kidneys are urea and ammonia. Diuretics increase urine output from the kidneys (that is, they promote diuresis). It does this by changing the way your kidneys use sodium. As the kidneys excrete more sodium, they also excrete more water.Diuretics make you pee more often, so take them preferably in the morning.
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Is an irony on the discrepancy between the expected result and actual result?
Yes, the irony is the discrepancy between the expected result and the actual result.
The presence of a contradiction between what is stated and what is meant is the foundation for the growth of irony.
Irony can be broken down into three categories:
1. A piece of writing has linguistic irony if the author says one thing but really means something else.
2. The term "dramatic irony" refers to a situation in which the audience is aware of something or learns to realize something that a character in the literature is unaware of.
3. A scenario might be said to have dramatic irony when there is a discrepancy between the expected result and the actual results.
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WILL GIVE BRAINLIEST - What has happened to the temperatures since the Ice age?
A. Temperatures have decreased
B. Temperatures have slightly increased
C. Temperatures have increased a large amount
D. Temperatures have not changed at all
Answer:
C
Explanation:
Please mark brainliest
Answer:
b
Explanation:
Its called global warming
Two balloons are rubbed with fur, which creates an excess of electrons on the balloons. If the balloons are hung from flexible wires from a shared point overhead, what will happen to the balloons?
A.
They will repel one another and the angle between them will be proportional to the charge on each.
B.
They will attract one another and sustain that attraction until the charges have redistributed.
C.
They will swing like a pendulum, with the period based on the magnitude of the transferred charge.
D.
They will join at a single point where the excess charge has collected and then they will repel one another.
Which of the following are benefits of biodiversity within ecosystems? Choose all correct answers.
Ecosystems with higher biodiversity have less human threats.
Ecosystems with higher biodiversity are better protected from pollution.
Ecosystems with higher biodiversity are more likely to recover from environmental stressors.
Ecosystems with higher biodiversity can better protect against coastal flooding.
The benefit of biodiversity within ecosystems is ecosystems with higher biodiversity are more likely to recover from environmental stressors. The correct option is c.
What is an ecosystem?An ecosystem is a region where a bubble of life is created by plants, animals, and other organisms interacting with the weather, environment, and other factors. Abiotic variables, or nonliving components, coexist with biotic components in ecosystems.
Environmental stressors are things that can prevent ecosystems from developing or limit the productivity and reproduction of species. Fishing will be impacted by climate change, which will have an impact on many species and habitats.
Therefore, the correct option is c. Ecosystems with higher biodiversity are more likely to recover from environmental stressors.
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Why are landfill liners NOT a reliable safeguard against aquifer contamination?
Because its dirty not good for a realiable safegurd and its against aquifer contamination everyday
Meat tenderizer contain papain, a enzyme that digests proteins. How does this enzyme help in making meat tender?
Meat tenderizer, which is often used in the kitchen to soften tough cuts of meat, contains the enzyme papain. This enzyme is derived from the papaya plant and is able to break down proteins into smaller peptides and amino acids, which helps to make the meat more tender.
When meat is cooked, the proteins in the muscle fibers coagulate, or tighten up, which can make the meat tough and difficult to chew. Papain works by breaking down the proteins in the meat, which makes it easier to chew and swallow. It breaks down the bonds between the protein molecules, making them smaller and less resistant to chewing.
Papain works by cleaving peptide bonds in the meat proteins, particularly the tough, fibrous proteins such as myosin and actin. It works best at a pH of 6-7, and at moderate temperature around 40-50 Celsius. Papain can also work on breaking down connective tissues such as collagen and elastin, in the meat which are usually tough, making the meat more tender.
The amount of time that papain needs to break down the proteins depends on the pH and temperature, but also on the meat's own properties such as the age, the species and the cut. Papain is most effective when used for a period of time before cooking, allowing the enzyme to break down the proteins over a longer period of time. When papain is used for too short a time or at high temperature, it can cause the meat to become mushy.
In summary, papain is an enzyme that helps make meat more tender by breaking down the proteins in the meat, which makes it easier to chew and swallow. Papain also helps in breaking down the connective tissues in meat making it more tender. However, it is important to use meat tenderizer in the right way to get the desired result and not to overuse it which will cause the meat to become mushy.
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List 2 positive consequence of natural resource use/consumption
Answer:
In short, raw material extraction and processing always impact on the environment, resulting as they do in soil degradation, water shortages, biodiversity loss, damage to ecosystem functions and global warming exacerbation
Explanation:
Production is the creation, consumption is the use or destruction of resources and fuels
Am I correct or no because I really don't know and I'm trying to pass this test so someone plssss help.
Lines that connects to points to elevation is called contour lines option - c is correct.
What do points of elevation have in common with lines?Shape lines: A map's contour lines are drawn by connecting points of equal elevation in order to calculate elevations (elevation refers to height in feet, or meters, above sea level).
The same elevation is shared between points connected by contour lines; where they are close together (they never intersect), the terrain is steep and the elevation changes quickly over a short distance.
Utilizing contour lines is the most typical way to depict the topography of a specific area. Any fictitious line that connects elevation-equalizing points is called a contour.
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what is binomial nomenclature?
Answer:
In taxonomy, binomial nomenclature ("two-term naming system"), also called binominal nomenclature ("two-name naming system") or binary nomenclature, is a formal system of naming species of living things by giving each a name composed of two parts, both of which use Latin grammatical forms, although they can be based on words from other languages. Such a name is called a binomial name (which may be shortened to just "binomial"), a binomen, binominal name or a scientific name; more informally it is also called a Latin name.
Answer:
Explanation : the system of nomenclature in which two terms are used to denote a species of living organism, the first one indicating the genus and the second the specific epithet
Suppose you want to produce a plant cultivar that has red flowers and speckled leaves. You have 2 cultivars, each having 1 of the desired traits. How would you proceed?
In desired traits, by breeding these two types of plants we will get a hybrid plant with the desired traits: red flowers and speckled leaves.
What do you mean by traits?A trait is a specific characteristic of an individual. Traits can be determined by genes, environmental factors or by a combination of both. Traits can be qualitative or quantitative.
Genes carry the information that determines your traits (say: trates), which are features or characteristics that are passed on to you — or inherited — from your parents. Each cell in the human body contains about 25,000 to 35,000 genes.
Biological traits describe species' physiology, morphology, life history, and behavior, capturing both inter-specific interactions and the connections between species and their environment.
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What should be done first in neonatal resuscitation?
In neonatal resuscitation firstly the newborn should be placed under a radiant heat source to offer warmth.
The baby should then be dried off, their airway should be cleared with a bulb syringe or suction catheter if necessary, and their breathing should be stimulated.
Clear the airway by suctioning the mouth first, followed by the nose, with a bulb syringe or suction catheter if the baby is energetic at birth (strong respiratory effort, such as crying, good muscular tone, heart rate > 100 bpm). If bradycardia develops when sucking, cease sucking and reassess the heart rate. Suctioning for intubation is not necessary.
The newborn needs tracheal suctioning if they are not active (decreased breathing, depressed muscle tone, and heart rate 100 bpm). Using a laryngoscope and a suction catheter under direct eyesight, first clean the mouth and posterior pharynx before inserting the endotracheal tube into the trachea. Connect an apparatus for suction to the endotracheal tube. As the tube is gently withdrawn, use suction. Repeat as necessary until the meconium is recovered or the heart rate drops down below 60 beats per minute, at which point immediate resuscitation is required. Give a soft yet forceful stimulation; touch the back and softly flick the soles.
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Question 4
What level of organization contains ALL other levels or organization for an entire region of earth?
A Biosphere
10
B Population
C Community
D) Population
Answer:
A) Biosphere
Explanation:
The biosphere is made up of the parts of Earth where life exists. The biosphere extends from the deepest root systems of trees to the dark environment of ocean trenches, to lush rain forests and high mountaintops.
What is Turgor pressure?
A.the pressure a solution puts on cells it contains
B.the pressure put on the cell wall by the cell membrane
C.the pressure put on the nucleus by the cytoplasm
Your teammate is spinning a tennis ball on a string in a perfect circle. If the radius of the circle is 45 cm and the ball travels half the
circumference of the circle in 15 seconds, what is the velocity of the ball rounded to the nearest whole number?
A
3 m/s
B)
30 cm/s
94 cm/s
D)
212 cm/s
Answer:
94 cm/s
Explanation:
The velocity of an object in circular motion is the distance traveled over time. The distance traveled is the circumference. Half the circumference of a circle with radius r is πr. The velocity is this distance over time, in this case, 1.5 s. The ball’s velocity is therefore
πr
t
=
45π
0.5
≈ 94.2 cm/s
Four of the following are major human activities that disrupt and degrade freshwater systems; one is not. Choose the one that is not.
Thickness of the ozone layer id not the one that disrupt and degrade freshwater systems.
The stratosphere, 15–40 km above the earth's surface, may include the ozone layer. Under typical pressure and temperature circumstances, the ozone layer in the stratosphere is between 2 and 5 mm thick, and the amount of ozone present varies by season, hour of the day, and location. Ozone builds up in the polar area due to poor photochemical depletion and ozone transfer from the equator. In the absence of other ozone-disturbing components, the highest ozone values are therefore observed over the Polar regions in winter. Wetlands are often referred to be areas of land that are either permanently saturated with moisture or immersed in shallow water.
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Facilitated diffusion allows certain kinds of compounds that are normally blocked by the cell
membrane to cross the cell membrane. All of the following are examples of compounds that
move by facilitated diffusion except
glucose.
sodium
water.
potassium.
Answer:
Potassium
Explanation:
All of the options are compounds, except for potassium which is an element
Facilitated diffusion allows certain kinds of compounds that are normally blocked by the cell membrane to cross the cell membrane is glucose because of its larger size. The diffusion will take place through GLUT transporter.
What is Facilitated diffusion ?Facilitated diffusion is the diffusion which is carried with the help of certain carriers and channels which will act as transporters in order to pass their molecules through the membrane.
Glucose is a large molecule thus even by Facilitated diffusion it will be not easy to pass through the membrane as it will require larger molecules or transporters to carried itself inside the plasma membrane.
GLUT that is the glucose transporter channel which will transport glucose inside the plasma membrane with the help of certain associations and certain binding.
therefore, Facilitated diffusion will not allow glucose because of the larger size as per possibilities.
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