Generate a sentence that answers this question: "Which of these items plays an integral role in the survival of many types of flora?".

Answer: A bee is a pollinating animal

Generate a sentence that answers this question: "Where would a polar bear be happiest?".

Answer: polar bears live in cold environments

Generate a sentence that answers this question: "What might damage a hard walkway that runs alongside a street?".

Answer:
if a tree is located near a sidewalk then the roots of that tree might crack the sidewalk