Plants release oxygen. Plants absorb sunlight. Plants produce heat energy. Plants make carbon dioxide.
I gave my students this multiple choice question: James read that plants benefit animals by changing the atmosphere. How do plants most likely change the atmosphere in a way that is beneficial for animals?

Only one answer is correct among these 4 choices:
- Plants release oxygen.
- Plants absorb sunlight.
- Plants produce heat energy.
- Plants make carbon dioxide.

Could you tell me which one is correct?

Plants release oxygen.