question: What sentence would provide a factual answer to this question: "An omnivore, such as a bear, will have many animals that are"

answer: omnivores are predators

question: What sentence would provide a factual answer to this question: "If a thing changes through a chemical process, it will have different and new chemical properties, such as"

answer: if an object undergoes chemical change then that object will have new chemical properties

question: What sentence would provide a factual answer to this question: "Convection is caused by uneven what?"

answer:
uneven heating causes convection