Which of the following spheres is composed exclusively of water?
A) atmosphere B) biosphere C) lithosphere D) hydrosphere
Question 2
The two changes of state that are the most important part of the water cycle for the atmosphere would be:
A) condensation, freezing.
B) melting, freezing.
C) evaporation, condensation.
D) melting, sublimation.
E) condensation, melting.
