Meltwater decreases, and the size of the glacier decreases. Meltwater decreases, and the size of the glacier increases. Meltwater increases, and the size of the glacier decreases. Meltwater increases, and the size of the glacier increases.
I gave my students this multiple choice question: What most likely happens when winter and summer temperatures are below normal and precipitation rates are above normal?

Only one answer is correct among these 4 choices:
- Meltwater decreases, and the size of the glacier decreases.
- Meltwater decreases, and the size of the glacier increases.
- Meltwater increases, and the size of the glacier decreases.
- Meltwater increases, and the size of the glacier increases.

Could you tell me which one is correct?

Meltwater decreases, and the size of the glacier increases.