Multiple Choice
What is average residence time?
A) the average time required for the total stock of a material to be cycled through a system
B) the average time that a human population can stay in an area before environmental conditions force them to move
C) the average time required for an open system to convert to a closed system
D) the average time for a system to run out of energy
Correct Answer:
Verified
Correct Answer:
Verified
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