Which of the following is an example of geographic isolation?
a. a group within a population that begins to mate at a different time of year.
b. a large percentage of a population that is killed by a natural disaster.
c. a population that is divided by habitat fragmentation.
d. a group within a population that begins to mate only at night.

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: