It goes into the air. Animals drink it. It soaks into the concrete. It becomes a different substance.
I gave my students this multiple choice question: A puddle of water on a concrete driveway will disappear after a few hours during a sunny day. Where does the water go as it disappears?

Only one answer is correct among these 4 choices:
- It goes into the air.
- Animals drink it.
- It soaks into the concrete.
- It becomes a different substance.

Could you tell me which one is correct?

It goes into the air.