Question

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

Explanation:

The five main spheres of the Earth are the atmosphere (air - layer around Earth), lithosphere (solid outer part of Earth), hydrosphere (all water on Earth), biosphere (living organisms and their environment), and cryosphere (frozen water part). There is no 'solasphere' among the recognized spheres.

Answer:

B. solasphere