Which a molecular process found only in retroviruses?
A: reverse transcription

Scientists dig in a dry area at the bottom of a mountain range. Fossilized shells of freshwater mussels are found in the area. Which is a likely conclusion that scientists will draw based on this evidence?
A: Rivers once flowed through the area.

The surface of the Moon is made up of
A: craters, highlands, and flat areas

Which scientist is known for his genetics experiments with pea plants?
A:
Gregor Mendel