Question

which of the following is not considered one of the five spheres?
solasphere
atmosphere
hydrosphere
lithosphere

Explanation:

The five main spheres in Earth - related studies are the atmosphere (air), hydrosphere (water), lithosphere (land - rocks), biosphere (living things), and cryosphere (ice). The term "solasphere" is not a recognized one among these.

Answer:

A. solasphere