Tropopause is the boundary between the troposphere and stratosphere.
Explanation:
- Tropopause marks the transition region between troposphere and stratosphere.
- As we move up from the Earths surface , the temperature gets colder but when we reach the tropopause the temperature becomes constant and the temperature does not fall further.
- It is at a height of about 9Km at the polar region while at a height of 17 Km at the equitorial region.
Answer:
The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population. Mutations are changes to an organism's DNA that create diversity within a population by introducing new alleles.
Explanation:
C. Lactic acid fermentation
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