Multiple Choice
As a self- contained planet, Earth is divided into several interacting systems called ________.
A) the atmosphere, hydrosphere, geosphere, and biosphere
B) the geosphere, atmosphere, cryosphere, and gaiasphere
C) the solid earth, the liquid earth, the gaseous earth and the living planet
D) the aerosphere, aquasphere, terrasphere, and ecosphere
Correct Answer:

Verified
Correct Answer:
Verified
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