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.
E) A forest cannot be considered either on open or closed system.
Correct Answer:
Verified
Correct Answer:
Verified
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