Question

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 _____.

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).