When building in a swampy or marshy area, it is usually necessary to drain the swamp before starting to build. while this is good for people, it may not be for animals that were living in the swamp. why?

Draining the swamp is not good, but must be weighed against factors like the human need for housing.

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:

actually the answer is c