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Zepler [3.9K]
4 years ago
5

There are 3 types of polar bears: ones with thick coats, ones with thin coats and ones with medium coats. It is fall, soon to be

winter. The temperatures are dropping rapidly and the bears must be kept warm, or they will freeze to death. Many of the bears have had 4 cubs each but due to the extreme cold temperatures, some mothers only have 2 cubs left. What process is this an example of?
Chemistry
1 answer:
Monica [59]4 years ago
3 0

Answer:

Natural Selection.

Explanation:

This process is an example of natural selection. You may know it as "survival of the fittest." This means that the organisms with the best traits for surviving will survive, while the others will unfortunately die off. However, this is good for a species because it means that the future offspring will likely become more and more adapted to their habitats and the world around them!

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C + 2H2 -> CH4
ankoles [38]

Answer:

<u>C) 4</u>

Explanation:

<u>The reaction</u> :

  • C (s) + 2H₂ (g) ⇒ CH₄ (g)

       12g      4g             16g

Hence, based on this we can say that : <u>2 moles of hydrogen gas are needed to produce 16g of methane.</u>

<u />

<u>For 32g of methane</u>

  • Number of moles of H₂ = 32/16 × 2
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2 Which is NOT a function of the skeletal system? A. It gives support to your body. B. It protects your internal organs. C. Bone
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29.3g CO2 and 20.8g H2O
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pH value 1 represents a solution with the lowest OH⁻ion concentration.

<u>Explanation:</u>

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