The south is always warmer than the north. There is less land than water in the south. North America receives less direct sunlight during the winter. When it is December in North America, it is June in South America.
I gave my students this multiple choice question: Why is it winter in North America when it is summer in South America?

Only one answer is correct among these 4 choices:
- The south is always warmer than the north.
- There is less land than water in the south.
- North America receives less direct sunlight during the winter.
- When it is December in North America, it is June in South America.

Could you tell me which one is correct?

North America receives less direct sunlight during the winter.