They change water into heat. They produce their own food. They make minerals for their roots. They break down nutrients into rocks.
I gave my students this multiple choice question: Which of the following best describes how plants use the energy they receive from sunlight?

Only one answer is correct among these 4 choices:
- They change water into heat.
- They produce their own food.
- They make minerals for their roots.
- They break down nutrients into rocks.

Could you tell me which one is correct?

They produce their own food.