question: What sentence would provide a factual answer to this question: "An object converts electrical energy into sound on a"

answer: sound can travel through air

question: What sentence would provide a factual answer to this question: "What would a sedimentary rock likely hold?"

answer: nearly all fossils are found in sedimentary rock

question: What sentence would provide a factual answer to this question: "Chemical reactions can be the cause of new formations of which?"

answer:
chemical reactions cause different substances to form