question: What sentence would provide a factual answer to this question: "which of these would most likely cause a car to lose control?"

answer: as moisture of an object decreases , the friction of that object against another object will increase

question: What sentence would provide a factual answer to this question: "If the stars in the sky above your home vary from month to month,"

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: "Your immune system would be less effective if you didn't get enough of this"

answer:
a human requires sleep to be healthy