Multiple Choice
With respect to air, water, and material resources, which of the following is true?
A) A forest is a closed system.
B) A forest is an open system.
C) A forest is an open system in terms of air, but closed in terms of material resources.
D) A forest is an open system in terms of water, but closed in terms of energy resources.
Correct Answer:
Verified
Correct Answer:
Verified
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