a decrease in soil erosion a decrease in biodiversity an improvement in air quality an improvement in water quality
I gave my students this multiple choice question: Approximately 50 million acres of tropical rainforest are cleared each year. Which effect most likely would result from the clearing of these forests?

Only one answer is correct among these 4 choices:
- a decrease in soil erosion
- a decrease in biodiversity
- an improvement in air quality
- an improvement in water quality

Could you tell me which one is correct?

a decrease in biodiversity