a decrease in temperature a decrease in biodiversity an increase in the number of predators an increase in the number of decomposers
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Leaves fall from deciduous trees onto the forest floor. These leaves decay slowly and become part of the topsoil. Which change is most likely to have a positive impact on the nutrients available in the topsoil?
Possibilities:
- a decrease in temperature
- a decrease in biodiversity
- an increase in the number of predators
- an increase in the number of decomposers

an increase in the number of decomposers