question: What sentence would provide a factual answer to this question: "Which would have the most gravity?"

answer: non-contact forces can affect objects that are not touching

question: What sentence would provide a factual answer to this question: "An example of camouflage could be"

answer: An example of camouflage is an organism looking like leaves

question: What sentence would provide a factual answer to this question: "The excretory system removes waste from what?"

answer:
the excretory system removes waste from the body