When two substances create a solution, what happens to its mass?
A.The mass is increased.
B.The mass is decreased.
C.The mass stays the same.
D.The mass disappears.

Answers

Answer 1
The mass is increased as two things are added together so the two masses of the two substances are added together.
Answer 2

Answer:

B

Explanation:

since there being added the amout doubles up.


Related Questions

Which of the four factors that affect evolution apply to the finches that the Grants studied? Use evidence from your research to support your answer.

Answers

Answer:

The four factors that affect evolution are mutations, natural selection, genetic drift and the gene flow, In the case, if the ground finches that Grants studied, we can observe the working of the natural selection. Due to change in the conditions in the environment, the large beak was an advantageous trait that was favored by the natural selection. The result of this process was an increase in numbers of large beaked finches and decrease in small-beaked finches compared to the initial numbers in the population.

Explanation:

Factors that affect evolution.

As per the question the evolution is a gradual process that includes the changes in the body of the organisms thereby making them more stronger and dynamic than others. The 4 features that affect evolution are mutations, natural selection, genetic drift, and gene flow.

The answer is thus are a major factor that leads to evolution in specie.

As per the case, Grants studied his works of natural selection. As per the changes associated with the environment, the large beak was an advantageous trait that was favored by natural selection. This leads to the increase in the size of the finches and the decline of other properties. Such a beak size, color, and even behavior. Hence the four-factor to consider are genetic drift, natural selection, adaptation and mutation (evolution).

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what material is found in c and d that is not found in a and b?

Answers

Answer:

need pic

Explanation:

                                                         

what type of circulatory system do earthworms have?

Answers

Answer:

a closed circulatory system.

Explanation:

an earthworm circulates blood exclusively through vessels.

Answer:

Closed circulatory system.

1 pts Question 3 The transfer of glucose into a cell does not require ATP. What type of transport supplies a cell with glucose?

O exocytosis
O osmosis
O passive transport
O active transport​

Answers

Answer:

A exocytosis

Explanation:

got it right on quiz

Are Dolphins social animals?

What are similarities and differences with other mammals

Any other interesting facts are welcome

Answers

Answer:

yes

Explanation:

yes twwnt y minutes long dolpin exercise tuna disg

Answer:

Yes

Explanation:

Dolphins are highly sociable mammals that establish close links with other individuals of the same species and even with dolphins of other species sometimes.

Similarities is that they live in water and they are Viviparous (animals that are born out of the womb)

Like every mammal, dolphins are warm blooded.

Unlike fish, who breathe through gills, dolphins breathe air using lungs.

List 4 examples of limiting factors described in the reading and label each if it would be considered an abiotic or biotic limiting factor.

Answers

Answer:

Explanation:food, water, habitat, and mate.

Limiting factors can be either abiotic or biotic. Examples: Abiotic → water, pH, radiation, salinity. Biotic → predation, competition, parasitism.

What are biotic and abiotic factors?

The ecosystem is composed of living and non-living elements that interact and depend on each other. These are the biotic and abiotic factors.

Abiotic factors are physical and chemical components of the ecosystem. These are the non-living elements.

Biotic factors are all the living components in the ecosystem.

Biotic and abiotic factors influence the survival and reproduction of living beings.

What are the limiting factors?

Limiting factors are environmental conditions that act directly on populations and individuals, limiting their distribution and growth.

These factors might be either biotic or abiotic and affect natality and mortality rate, migration, etcetera.

Limiting factors might be a result of the population density or might be dense-independent.

When talking about dense-independent limiting factors we are referring to

abiotic factors, such as temperature, pH, salinity, humidity, radiation, etcetera.natural disasters like fires, volcanic eruptions, flooding, etceterahuman impact

When talking about dense-dependent limiting factors we are referring to biotic factors and the interactions established between species that control other species' growth.

These are, for instance,

competition, parasitism, and predation

Each species carries out a different role in these interactions.

These relationships and the results are what determine the destiny of the populations and their size.

Now, since I do not have the text, I will suggest a few examples of limiting factors. Take a look at them and then look for some other examples in your reading.

Limiting biotic factors:  

predatorcompetitorparasites

Limiting abiotic factors:

waterpHradiationsalinity

Following this framework, you should look in your reading which limiting factors are described.

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what do you think would happen to a population of bacteria in a petri dish over time in ideal condition?

Answers

Answer:

the bacteria would continue to grow untill the agar is completly corroded as the bacteria eats away at it, after the agar is consumed the bacteria would die away as it doesnt have the sufficient nutrients to live

Explanation:

The seasons Earth experiences result from —


A. the Earth rotating on its axis while it revolves around the Sun.

B. the Earth being tilted on its axis while it revolves around the Sun.

C. the Sun moving near the Earth.

D. the Earth moving near the Sun.

Answers

Answer:

B. the Earth being tilted on its axis while it revolves around the Sun.

Answer:

Seasons occur because Earth is tilted on its axis relative to the orbital plane, the invisible, flat disc where most objects in the solar system orbit the sun. ... In June, when the Northern Hemisphere is tilted toward the sun, the sun's rays hit it for a greater part of the day than in winter.

Explanation:

your answer is B.

13. Which muscle allows you to flex your big toe?

Answers

Answer:

Flexor hallucis longus

Explanation:

This muscle lies deep inside your leg. It runs down the lower leg all the way to the big toe. It helps you flex your big toe so that you can walk and hold yourself upright while on your tiptoes.

Explain how potential energy is affected by:
A) Mass:


B) Height:

Answers

Answer:

A. Mass

Explanation:

The amount of gravitational potential energy an object has depends on its height and mass. The heavier the object and the higher it is above the ground, the more gravitational potential energy it holds. Gravitational potential energy increases as weight and height increases.

Answer:

A) Mass :

• Potential energy is directly proportional to mass, if mass increases, also potential energy increases and the reverse is true.

B) Height :

• Potential energy is directly proportional to height, if height increases, also potential energy increases and the reverse is true.

Explanation:

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As a living organism (you) what is your Habitat, Ecosystem, and Biosphere?

Answers

Answer:

An ecosystem is a community of living organisms interacting with one another and their non-living environment within a particular area. ... The biosphere is that part of the earth inhabited by living organisms, including land, ocean and the atmosphere in which life can exist. It is the global ecosystem.

Explanation:

what is proteins basic formula? like with the numbers and stuff

Answers

Although amino acids may have other formulas, those in protein invariably have the general formula RCH(NH2)COOH, where C is carbon, H is hydrogen, N is nitrogen, O is oxygen, and R is a group, varying in composition and structure, called a side chain.

HELP PLEASE !!

Which of the following correctly describes the synthesis of proteins?

Question 6 options:

DNA is transmitted to mRNA, which then attaches to a ribosome where it is translated into a protein.


DNA is translated to tRNA, whihc then attaches to a ribosome where it is transcribed into a protein.


DNA is transcribed to mRNA, which then attaches to a ribosome where it is translated into a protein.


DNA is transcribed to tRNA, which then attaches to a ribosome where it is translated into a protein.

Answers

Answer:

DNA is transmitted to mRNA, which then attaches to a ribosome where it is translated into a protein.

I looked up the definition of transmitted and it fits better

DNA is transcribed to mRNA, which then attaches to a ribosome where it is translated into a protein. The correct answer is option C.

What is the role of mRNA ?

mRNA is the code of DNA that carries the information of coding proteins from the nucleus to the cytoplasm.

DNA is transcribed into mRNA where it is transcribed intro message to which kind of protein is about to be formed. A triplet forms one amino acid and this process is taking place in the ribosome.

The chain of amino acids forming a protein is released in the cytoplasm and the proteins is then assigned a particular position where so ever is them needed mostly in the cytoplasm.

Therefore, DNA is transcribed to mRNA, which then attaches to a ribosome where it is translated into a protein. The activity takes place in the ribosome.

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Meaning of:
1. Plant Stranglers.
2. Ammonification
3.Nitrification​

Answers

Answer:

1. Plant strangers; named for their pattern of growth upon host trees, which often results in the host's death. example includes strangers fig

2. Ammonification refers to chemical reactions in which amino groups (NH2) associated with organic forms of nitrogen are converted into ammonia (NH3) or ammonium (NH4+).

3. Nitrification is the step in the nitrogen cycle that links the oxidation of ammonia (produced from the degradation of organic matter) to the loss of fixed nitrogen in the form of dinitrogen gas.

Explanation:

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Which two climates have very low levels of precipitation?

dry and polar
polar and highlands
highlands and temperate marine
temperate marine and temperate continental

Answers

Answer:

arid and semiarid

Explanation:

Because they are the lowest in the climate areas. hope this somewhat helps you out

~dry and polar: cold air cant hold as much water vapour as warm air, so precipitation is less likely.

Hope this helped you- have a good day bro cya)

i think its its either C or D but i don't know correct me if I'm wrong.
A swimmer dives underwater and needs to swim a long distance while holding her breath. This prevents her body from getting oxygen.

What is most likely to occur in her cells so that glycolysis can continue to produce ATP?

a) cellular respiration
b) alcohol synthesis
c) lactic acid fermentation
d) alcohol fermentation

Answers

Answer:

C is the correct option.

Explanation:

Cells in the body continue to produce ATP in absence of oxygen.

Lactic acid fermentation is most likely to occur in the swimmer's cells so that the process of glycolysis can continue to produce ATP. Thus, the correct option is C.

What is Lactic acid fermentation?

Lactic acid fermentation is a metabolic process in which glucose or other six-carbon sugars are converted into cellular energy (ATP) and the metabolite lactic acid. It is an anaerobic fermentation reaction which occurs in some bacteria and animal cells, such as muscle cells and in absence of oxygen molecule.

Lactic acid fermentation happens in the skeletal muscles. In this process, pyruvate is converted to lactic acid by  the lactate dehydrogenase enzyme when oxygen is inadequate. Fatigue is brought on by the formation of lactic acid which buildup in the muscles.

Therefore, the correct option is C.

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Do tubifex worms have cells? if so, what are they?

Answers

Answer:

no

Explanation:

Tubifex tubifex, also called the sludge worm, “Boogie Worm”, or sewage worm, is a species of tubificid segmented worm that inhabits the sediments of lakes and rivers on several continents. ... They can also survive in areas heavily polluted with organic matter that almost no other species can endure.

the amount of water in each body compartment mainly is controlled by

Answers

Answer: Ion Concentration

The ion concentration in water molecules controls the amount of water in a compartment

The concentration of ions in a body of water determines the rate of diffusion and osmosis that occurs in a body of water contained within a body compartment. which has a direct impact on the amount of water that is held in any water body compartment.

Hence we can conclude that the ion concentration in water molecules controls the amount of water in a compartment.

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the ________ is shared by the respiratory and digestive systems.

Answers

Answer:

oropharynx

Explanation:

the oropharnyx is shared by the respiratory and digestive systems.

Students construct a graphic organizer to illustrate the different levels of biological organization.
Organ → Organ system → X → Population → Community

Which term does the letter X represent in the graphic organizer?

A) Cell
B) Organism
C} Ecosystem
D) Biosphere

Answers

Answer:

B--Organism

Explanation:

Different levels of biological organization start from the least complex object and end at the most complex. Every object has objects preceding it that it is made up of.

In this question, the organ system is made up of several organs. A community is made up of several populations of different people. Think about this now: what makes up a population and is made up of organ systems? The most logical answer here according to the flow is B--an organism. An organism is made up of organ systems and makes up a population, which in turn allows several populations to make up a community.

Various levels of biological association begin from the smallest complicated entity and end at the most intricate is called biological organization. Every entity has things preceding it that it is composed of.

The organism is the letter X represent in the graphic organizer.

What is the biological organization?

A certain level of the organization is established in the biological living beings and communities. The level of the organization starts from the most simple and the uncomplicated entity to the more complex beings and associations.

The organ in this illustration is the small and complicated entity that links and forms the organ systems. Different organs make up the organs system like the esophagus, stomach, intestine makes up the digestive system.

Various organs system combines in a body to form an organism like reproductive, circulatory, digestive etc. organs system make the organism as a whole.

Various organism combines and interacts with each other to form a population of the same species in a defined area.

A population of various species combines to form a community that lives together depending on each other for factors like food, shelter, water, nutrients etc.

Therefore, option B is correct.

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Which of the following statements are FALSE? A. Meiosis separates homologous chromosomes in a diploid cell to produce haploid daughter cells containing one copy of each type of chromosome. B. During prophase I, homologous chromosomes pair up and exchange DNA. C. During meiosis II, paired homologous chromosomes move up to the equator of the cell. D. During anaphase I, homologous chromosomes separate. E. In meiosis II, the sister chromatids of each chromosome separate. F. In meiosis I, ploidy is reduced. G. In meiosis II, ploidy is reduced. H. During anaphase I, sister chromatids separate.

Answers

The statements about meiosis that are false include the following:

C. During meiosis II, paired homologous chromosomes move up to the equator of the cell.

G. In meiosis II, ploidy is reduced.

H. During anaphase I, sister chromatids separate.

Meiosis can be defined as a type of cell division or duplication that occurs in all body cells found in living organisms, through which a single cell divides twice to produce four (4) haploid cells (gamete).

During cell division, deoxyribonucleic acid (DNA) must be replicated before meiosis can take place in any body cell found in living organisms.

Generally, the phases or steps that occur during meiosis include:

Prophase I.Metaphase I.Anaphase I.Telophase I.Prophase II.Metaphase II.Anaphase II.Telophase II.

Furthermore, the statements about meiosis that are false include the following:

1. During meiosis II, paired homologous chromosomes move up to the equator of the cell.

The movement of paired homologous chromosomes to the equator of the cell takes place during prophase II.

2. In meiosis II, ploidy is reduced.

Actually, it is meiosis I that reduces ploidy.

3. During anaphase I, sister chromatids separate.

Sister chromatids are separated during anaphase II.

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Which type of soil makes it MOST
difficult for plants to thrive and
decompose organic material?

Answers

Explanation:

Poorly drained soils tend to have a high percentage of organic matter because low oxygen levels limit decomposition organisms.

Study the pedigree chart. ( picture above)

Which of these can be determined about the trait based on this chart?

○ The trait is recessive. the parents of A were both carriers

○ The trait is recessive. The parents of A were both affected

○ The trait is dominant The parents of te were both affected.

○The trait is dominant The parts of A were both carriers​

Answers

Answer: The trait is recessive. the parents of A were both carriers

Explanation: The correct answer should be the trait is recessive.

Since we can only see A mothers tree and she is not affected by the trait she is a carrier.

Unfortuately, the tree does not show her father's side of the tree so we can only "assume" based on the options that he also is a carrier of the trait.

So answer it will be "The trait is recessive. the parents of A were both carriers"

what is the creatinine level for stage 3 kidney disease

Answers

Explanation:   Stage three: For Kidney disease patients whose serum creatinine level is in the range 178-442 umol/L, their GFR usually fluctuates in the range 30-59ml/min/1.73m2 which means kidney function has a moderate decrease.

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Water is extremely important to the survival of all organisms found on Earth.
Water helps support life in many ways. These life providing properties of water
are all basically derived from water's ability to form Hydrogen bonds, as a result
of it being a polar molecule. Describe a typical Hydrogen bond between
Hydrogen and Oxygen.
Your answer

Answers

Answer:

Water is called the "universal solvent" because it is capable of dissolving more substances than any other liquid. This is important to every living thing on earth. It means that wherever water goes, either through the air, the ground, or through our bodies, it takes along valuable chemicals, minerals, and nutrients.

Explanation:

SO THE ANSWER IS (A): Water helps support life in many ways. These life providing properties of water.

How is carbon dioxide cycled between a tree and a fox what processes are involved

Answers

Answer:

The fox exhales carbon dioxide and the tree takes in the carbon dioxide and converts it into oxygen.

Explanation:

how many chromosomes will be found in each cell during prophase?

Answers

Answer:

in a human 46 chromatids form 23 chromosomes

Explanation:

A person who is exercising vigorously breathes more deeply and rapidly than someone who is resting. Give TWO reasons why this is necessary.

Answers

During physical exercise, more oxygen is used up and more carbon dioxide is produced leading to faster and deeper breathing.

Physical exercise is a state in which the muscles are flexed much vigorously leading to a faster heartbeat owing to a quicker rate of pumping of the blood by the heart.

There are two main reasons why a person engaging in physical exercise tends to breathe faster and more deeply;

The muscles tend to work harder during physical exercise hence more carbon dioxide is produced.The body uses up oxygen more quickly leading to a greater demand for oxygen and thus a faster and heavier breathing rate results.

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Which example(s) of cell transport do/does not require chemical energy?
A.
Drops of blue food coloring are placed in water and spread throughout the water, turning it blue.
B.
A potato slice is placed in water and water molecules from inside the potato move into the surrounding water.
C.
both A and B
D.
neither A nor B

Answers

Answer:

C

Explanation:

Because osmosis(B) this is where water moves from a high concentration to a low concentration across a partially permiable membrane( No energy required). Whereas in diffusion (a) this is the net movement of particles from a region of a high concentration to a region of a low concentration. This stops when the region is evenly spread. (No energy is required)

The cell transport which takes place in food coloring, potato slice is concentration gradient. This type of cell transport does not need energy. Thus, the correct option is C.

What is Cell transport?

Cell transport is the transport of molecules through the cell membrane. Transport of substances through the membrane takes place through osmosis and diffusion.

The diffusion of substances can be active or passive on the basis of requirement of energy. The passive mode of transport does not require energy as the movement of substances occurs down the concentration gradient from high concentration to low concentration. Whereas, in active transport energy is required in the form of ATP as the transport occurs against the concentration gradient from low concentration to high concentration.

Therefore, the correct option is C.

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Which of the following statements best describes a benefit of sexual reproduction?
It creates many offspring in a short amount of time.
A
B
It prevents mutations from being passed on to offspring.
С
It results in diversity of the species that enhances the probability of survival.
D
It ensures the offspring will receive only the best traits from each of the parents.

Answers

Among the listed options, we can conclude that option C which states that "It results in the diversity of the species that enhances the probability of survival." is correct.

Sexual reproduction offers organisms an advantage over those who undergo Asexual reproduction. Though there are benefits and drawbacks to each method, Sexual reproduction is a method that is better adapted to a changing environment and promotes the faster evolution of a species.

The main benefit of sexual reproduction is that it allows for a greater diversity of the species which enhances the probability of survival. This is due to the fact that sexual reproduction leads to varying combinations of alleles for specific traits, which coupled with selective reproduction (the ability of a member of the species to choose a spouse with desirable traits) leads to offspring who over time are increasingly better adapted to life in the given environment, with specific traits tailored for survival.

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Neal, a twelve-year-old, buys a pair of skis from Outdoor Outfitters (OO), telling the salesperson that he has never been skiing but really wants to do it. The salesperson urges Neal to take a lesson in the sport before attempting a run, but Neal ignores the advice. On the first run, Neal loses control, hits a tree, and is injured. Neal files a suit against OO, alleging that it was negligent to have sold the skis to him, when he was clearly too young and inexperienced.Issue:How might OO defend itself? Define, explain and decide Is this paragraph objective or subjective? It all seemed frighteningly wrong, as in a nightmare, that at Brzezinka the sun should ever shine or that there should be light and greenness and the sound of young laughter. It would be fitting if a Brzezinka the sun never shone and the grass withered, because this is a place of unutterable terror.And what piece of textual evidence supports your answer? Please help me this is due please help the treaty of versailles overlooked the importance of What is 1200 over 480 in mixed number What is the best description of how heat is transferred from deep in the earth to the surface?a. Conduction brings hot magma up through the mantle toward the crust, where it cools and sinks.b. Convection brings hot magma up through the mantle toward the crust, where it cools and sinks.c. Convection brings hot magma up from the core to the crust, where it cools and sinks.d. Conduction brings hot magma up from the core to the crust, where it cools and sinks. ENGLISH EASY QUESTIONS POEM (COMPLETE IT FOR POINTS AND TO BE BRAINIEST) Please solve this problem I really want the answer please give the correct answer Area of sector is toas arc measure is to 360 degrees.diametercircle areasemicirclecircumference of circle May someone help me with my homework Mr. Johnson is picking up 24 balls after recess and putting them in bins for the next class. He wants to put the same number of balls into each bin. What four different ways could he group the balls? Solve the equation 4x^2+36=0 Which cathedral has more statues than any other in the world? DIRECTIONS: Matching Match each item in Column A with an item in Column B.Write the correct letters in the blanks. (3 points each)Column AColumn B1. policy that sought peace and stability by satisfying the A. Axis Powersreasonable demands of dissatisfied powersB. "Mukden2. Neville Chamberlain thought the agreement reached there incident"meant "peace for our time"blitz3. used as an excuse for Japanese seizure of ManchuriaD. Vichy France4. unoccupied France, governed by authoritarian regimeE. appeasementunder German controlF. Einsatzgruppen5. German air forceG. Luftwaffe6. Germany, Italy, and JapanH. Munich7. special strike forces for carrying out Nazi Final SolutionConference8. the slaughter of European civilians, particularly EuropeanYalta ConferenceJews, by the NazisJ. Holocaust9. British term for the German air raidsI10. meeting at which the Allies agreed to form a UnitedNations organization A rectangle is drawn so that the width is 1 feet shorter than the length. The area of the rectangle is 72 square feet. Find the length of the rectangle. Beorn warns Bilbo and the dwarves not toQuestion 4 options:depend on Gandalfenter the forest from the northtouch the water of a certain stream a large bottle contains a number of medicinal tablets each having a mass of 250mg the mass of all the tablets is 0.5kg calculate the number of tablets in the bottle can someone answer this plsss help me with this:((( give antonym for each word and make sentence with both words.b) sophisticatedposting more...