It washes away germs. It makes your hands look nice. It keeps your skin from drying out. It makes your hands warmer.
I gave my students this multiple choice question: How can washing your hands help keep you from getting sick?

Only one answer is correct among these 4 choices:
- It washes away germs.
- It makes your hands look nice.
- It keeps your skin from drying out.
- It makes your hands warmer.

Could you tell me which one is correct?

It washes away germs.