Several studies linking cigarette smoke to health problems have resulted in the banning of smoking in many public places this is an example

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:

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.