Why do oxygen and carbon dioxide move in and out of a plant during the day? a. because the plant is only photosynthesizing c. because the plant is both respiring and photosynthesizing b. because the plant is only respiring d. because the plant is neither photosynthesizing nor respiring

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explanation:

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation: