question: What sentence would provide a factual answer to this question: "mechanical weathering is breaking down what by mechanical means?"

answer: mechanical weathering is when rocks are broken down by mechanical means

question: What sentence would provide a factual answer to this question: "If I wanted to disguise myself, what might be something I do?"

answer: disguise means change appearance to hide

question: What sentence would provide a factual answer to this question: "When tree roots grow, sometimes they"

answer:
if a tree is located near a sidewalk then the roots of that tree might crack the sidewalk