Question

select the correct answer.
the interactions of the biosphere with all the other spheres are important for the balance and stability of ecosystems. what is an example of the biosphere positively interacting with the geosphere?
a. decomposers break down decaying organisms to replace nutrients back into the soil.
b. volcanoes erupt creating an increase in carbon dioxide.
c. carbon dioxide gets released during respiration.
d. humans allow livestock to overgraze, which depletes the soil of its nutrients.

Explanation:

Decomposers in biosphere return nutrients to geosphere (soil). Others are not positive interactions or not between biosphere - geosphere.

Answer:

A. Decomposers break down decaying organisms to replace nutrients back into the soil