Which of these in the sexual reproduction of black bread mold

At which location in earth’s interior does the top density continue to increase as thickness decreases?

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

Construct at least two possible hypotheses for the student’s experiment.