question: What sentence would provide a factual answer to this question: "A resource from nature are"

answer: nature is the source of natural resources

question: What sentence would provide a factual answer to this question: "Which of these is lacks molecules?"

answer: matter is made of molecules

question: What sentence would provide a factual answer to this question: "A person puts a potato in some embers on the edge of a campfire and the potato gets hot. The embers are"

answer:
an exothermic reaction increases the amount of heat