Multiple Choice
The biosphere consists of the _______________
A) solid earth beneath our feet, plus the air we breathe
B) saltwater and fresh water in surface bodies and the atmosphere
C) sum of all the planet's living organisms and the abiotic portions of the environment with which they interact
D) air surrounding our planet, plus the water we drink
E) abiotic portions of the environment
Correct Answer:

Verified
Correct Answer:
Verified
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