conduct online research on any one aquatic region like a river, ocean, or lake. discuss it's environmental conditions, such as salinity, water depth, water flow conditions, light conditions, and dissolved oxygen conditions

a, i am pretty sure.

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: