If the power fails and the lights go dark, CO2 levels will _____

A) rise as a result of both animal and plant respiration
B) rise as a result of animal but not plant respiration
C) remain balanced because plants will continue to fix CO2 in the dark
D) fall because plants will increase CO2 fixation
E) fall because plants will cease to respire in the dark


Answer: A

Biology & Microbiology

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