question: What sentence would provide a factual answer to this question: "One odd fossil that may have been discovered is"

answer: An example of a fossil is a footprint in a rock

question: What sentence would provide a factual answer to this question: "What loosens soil?"

answer: tunnels in soil loosen that soil

question: What sentence would provide a factual answer to this question: "This two letter company had a structure in the Gulf of Mexico that exploded causing coastal animals to be coated in"

answer:
offshore oil platforms might cause oil to leak into the water