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Lena [83]
3 years ago
10

several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear is white. What pr

ocess led to to this difference in fur color.
Chemistry
2 answers:
LekaFEV [45]3 years ago
4 0

Explanation:

they are white so they can camouflage, but actually the polar bears skin is black and it's hair is hollow

Delicious77 [7]3 years ago
3 0

Answer:

The process that led to this difference in fur color is natural selection. Polar bears live in the arctic, where there is snow all around. In this kind of environment, white bears blend in well with their surroundings, while brown and black bears stand out. This means that brown and black bears would be easier to spot as prey, and would not survive in an arctic environment. Since white bears are more adapted to the environment, they would survive and reproduce, creating a large population of white bears.

Explanation:

In natural selection, Polar Bears are white therefore, them living in the arctic in the snow, it allows them to blend in. Polar Bears are adapted meaning they could survive, reproduce and creating a larger population of Polar Bears.

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Re-order each list in the table below, if necessary, so that the atoms or ions in it are listed in order of decreasing size.
Serjik [45]

Answer: Na, S, Cl

Explanation:

Atomic size decreases as one moves from left to right on the periodic table with elements in the same period. This is as a result of the electrons increasing in the outer circle and thus being drawn to the protons in the nucleus which will lead to the outer shell area decreasing.

Sodium (Na) comes before Sulfur (S) which comes before Chlorine (S) so this is the decreasing order as they are all in the same period.

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3 years ago
Jordan is doing a science fair project on the effect of music on the growth of tomatoes. He has two tomatoe plants,plant A and p
krek1111 [17]
The control group is the type of tomato the plants are.
The independent variable is the type of music played.
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5 0
4 years ago
Which electrolyte is stronger, NaOH or Ca(OH)2? Why?
nataly862011 [7]

Answer:

NaOH

Explanation:

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8 0
3 years ago
The last answer choice us D. Adding more of the chemical will hear the water but only up to a certain temperature
enot [183]

D. Adding more of the chemical will heat the water but only up to a certain temperature

<h3>Further explanation</h3>

Chemical changes are changes in the process that produce new substances that are different from the initial/ forming substances. Chemical changes are usually known as chemical reactions. So there are products/reactions and reactants and there is a change in the molecule/particle

The chemical reaction is usually followed by the release of heat, gas, change in color, precipitate substance etc

The heat that occurs in the addition of chemicals is caused by the reaction with water. But there is a constant rise in temperature when water reaches <em>its maximum capacity to react with these chemicals.</em>

Evidenced by the addition of 15 g and 20 g of chemicals, the temperature changes are constant

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