When the atmosphere has too much carbon dioxide in it, the oceans absorb some of it to achieve a new balance. This is an example of _____.

Question

the hydrosphere
a geochemical cycle
sphere interaction
the hydrologic cycle

Answer 1

This is an example of sphere interaction. In this context, it refers to the interaction between the atmosphere (where carbon dioxide is present) and the hydrosphere (the oceans absorbing that carbon dioxide).