Answer:
The overriding problem with both theories of muscle growth, hypertrophy and hyperplasia, is that: neither can be accepted as correct because muscles growth is difficult to study in humans.
Explanation:
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The right answer is Watson and Crick.
The famous science journal "Nature" published an article of two pages, accompanied by one figure, titled "A Structure for Deoxyribose Nucleic Acid". Its authors are James Dewey Watson (24) and Francis Crick (36).
They synthesized the work of their scientific colleagues and were able to explain with a remarkable art of deduction how the DNA molecule contained in the cells of all living beings was duplicated.
The answer is C . The rock cycle is driven by energy from the sun as well from the interior of Earth.
