Multiple Choice
What is the relationship between the four spheres of Earth?
A) The four spheres operate independently from each other.
B) The geosphere and the hydrosphere overlap, but the atmosphere and biosphere operate independently.
C) The four spheres overlap and interact with each other.
D) The biosphere and hydrosphere interact with each other, whereas the geosphere and atmosphere are part of a separate system.
Correct Answer:

Verified
Correct Answer:
Verified
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