question: What sentence would provide a factual answer to this question: "Mechanical weathering is a end result of a"

answer: a glacier causes mechanical weathering

question: What sentence would provide a factual answer to this question: "What does a beaver use to find something to munch on with?"

answer: the nervous system sends observations in the form of electrical signals to the rest of the body

question: What sentence would provide a factual answer to this question: "Chlorophyll is good for allowing plants to absorb energy and"

answer:
chlorophyll is used for absorbing light energy by plants