A. social age
b. chronological age
c. psychological age
<span>d. biological age
Its D, biological age.</span>
Traits controlled by genes can only be acted upon natural selection because they have to helpful to the survival of that organism.
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<u><em>In Mitochondria, the electron transport chain takes place.</em></u>
Answer:
1 in 4 people.
Explanation:
Research studies results.
