Answer:
C. a decrease in the chromosome number in every generation.
Explanation:
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Answer:
The hypothalamus is the part of the brain that controls hunger
Because they are the essential micronutrients for the different metabolites of living organisms?
Answer:
C. top soil has more organic matter.
Explanation:
It's more fertile than subsoil, due to having more organic matter and because fertilizers are usually added to the topsoil only.
