Which of the following is an example of an organism maintaining homeostasis?
a. a boy riding a bike
b. a cat grooming itself
c. a bear nursing her cubs
d. a man sweating while he runs

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: