fact and question: if some nutrients are in the soil then those nutrients are in the food chain
Question: If the trees in an area are growing in soil rich with a certain vitamin, what might happen?

What's the answer?

answer: the squirrels would have that vitamin in their system

fact and question: fossil fuels are a nonrenewable resource
Question: Which can is depleted permanently?

What's the answer?

answer: coal

fact and question: mountains are formed by volcanoes
Question: Honolulu was formed by

What's the answer?

answer: a volcanic crevasse

fact and question: riding a bike does not cause pollution
Question: If pollution is caused by many things, it is least likely to be caused by

What's the answer?

answer:
pedaling forward