Which of these processes produces the most oxygen ? a)cellular respiration b)breakdown of organic matter c)normal breathing process of many animals d)photosynthesis in plants

D) Just like humans breathe out carbon dioxide for plants to inhale, plants exhale oxygen for it to be mixed with other chemicals to make what we breathe in.

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: