Is RNA an ezyme that belongs to a larger class of molecules

nucleic acids

Explanation:

nucleic acids macromolecules made out of units call nucleotides come in two naturally occurring varieties deoxyribonucleic acid (DNA) and ribonucleic acid (RNA)

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answer:

convection currents in the magma drive plate tectonics. heat generated from the radioactive decay of elements deep in the interior of the earth creates magma (molten rock) in the aesthenosphere. the aesthenosphere (70 ~ 250 km) is part of the mantle, the middle sphere of the earth that extends to 2900 km.

the correct answer is b