magnify the work. keep hair out of their faces. protect their eyes from debris. prevent glare from the light.
I gave my students this multiple choice question: Students are using hammers to break apart rocks as part of an investigation. The students MUST wear goggles to

Only one answer is correct among these 4 choices:
- magnify the work.
- keep hair out of their faces.
- protect their eyes from debris.
- prevent glare from the light.

Could you tell me which one is correct?

protect their eyes from debris.