The carbon dioxide absorbed by plants is an example of an ________to a forest and an ________from the atmosphere.
A)input; input
B)output; input
C)output; output
D)input; output

Question

Quizplus · Accepted Answer

Carbon dioxide is being absorbed by plants, hence it is an input to the forest. However, it is also an output from the atmosphere because plants absorb carbon dioxide from the air. Therefore, the correct answer is D, input from the forest and output from the atmosphere.

The Carbon Dioxide Absorbed by Plants Is an Example of an ________To