Generate a sentence that answers this question: "If a tree is going to give its essence to another tree, it needs to use".

Answer: pollination requires pollinating animals

Generate a sentence that answers this question: "Sunlight can".

Answer: light enters the eye through the pupil

Generate a sentence that answers this question: "Factories often add something to the environment that is".

Answer:
polluting means something poisonous is added to an environment causing harm to the environment