The percentage of oxygen over the area will increase. The amount of erosion within the area will increase. The species diversity in the area will increase. The soil nutrients in the area will increase.
I gave my students this multiple choice question: Which of the following will most likely result from the cutting down of large continuous areas of forest?

Only one answer is correct among these 4 choices:
- The percentage of oxygen over the area will increase.
- The amount of erosion within the area will increase.
- The species diversity in the area will increase.
- The soil nutrients in the area will increase.

Could you tell me which one is correct?

The amount of erosion within the area will increase.