Work in large groups. Wear safety goggles. Wear short sleeves. Keep a window open.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: To safely conduct an experiment using chemicals, what should students always do?
Possibilities:
- Work in large groups.
- Wear safety goggles.
- Wear short sleeves.
- Keep a window open.

Wear safety goggles.