question: What sentence would provide a factual answer to this question: "If a person looks at the night sky in February and then again in June, the stars will be"

answer: the Earth revolving around the sun causes stars to appear in different areas in the sky at different times of year

question: What sentence would provide a factual answer to this question: "Lucy left a pan half full of water in the sun and it dried up in one afternoon."

answer: An example of evaporation is a body of water drying up by absorbing heat energy

question: What sentence would provide a factual answer to this question: "Cutting down trees has a negative impact on what living in an ecosystem?"

answer:
cutting down trees has a negative impact on an organisms living in an ecosystem