Multiple Choice
The oxygen produced by photosynthesis is considered an ecosystem service because
A) it is a beneficial, but not required, service provided by nature.
B) it can only be produced by photosynthesis.
C) environmentalists consider it important.
D) it benefits humans and would be difficult or costly to replace.
E) it cannot be altered and will always be available from nature.
Correct Answer:
Verified
Correct Answer:
Verified
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