Generate a sentence that answers this question: "Plants use the water for their".

Answer: sugars are transported from the leaves to the roots of a plant

Generate a sentence that answers this question: "If you're in the North Pole the North Star may be visible when?".

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

Generate a sentence that answers this question: "A scale is used to measure what?".

Answer:
a scale is used for measuring weight