Question

2 what are places in the environment that provide short - term storage for chemicals of the biogeochemical cycles?
rocks
exchange pools
residences
reservoirs

Explanation:

In biogeochemical cycles, exchange pools are the parts of the environment that provide short - term storage for chemicals. Rocks are long - term storage (reservoirs in a sense for minerals). Residences is not a relevant term in this context. Reservoirs are long - term storage sites.

Answer:

B. Exchange pools