The Moon is in outer space. Plants make their own food. The Sun revolves around Earth. Paper products come from wood.
I gave my students this multiple choice question: Scientists often change conclusions when new information becomes available. Which statement was changed because new information became available?

Only one answer is correct among these 4 choices:
- The Moon is in outer space.
- Plants make their own food.
- The Sun revolves around Earth.
- Paper products come from wood.

Could you tell me which one is correct?

The Sun revolves around Earth.