Answer:
thymine, guanine, guanine, and cytosine
Explanation:
DNA = thymine, Guanine , adenine and cytosine .
RNA = thymine ,uracil,guanine ,cytosine
Answer:
D. Pangaea
Explanation:
He called this movement a continental drift. Wegener was convinced that all of Earth's continents were once part of an enormous, single landmass called Pangaea. Wegener, trained as an astronomer, used biology, botany, and geology to describe Pangaea and continental drift.
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Answer:
d
Explanation:
passive transport needs no energy W when transporting from high to low and need energy when transporting from low to high