a decrease in soil erosion a decrease in biodiversity an improvement in air quality an improvement in water quality
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Approximately 50 million acres of tropical rainforest are cleared each year. Which effect most likely would result from the clearing of these forests?
Possibilities:
- a decrease in soil erosion
- a decrease in biodiversity
- an improvement in air quality
- an improvement in water quality

a decrease in biodiversity