Why does increased population density increase the risk of pandemic flu? a. flu is capable of evolving to become more resistant. b. flu is more easily transmitted from person to person. c. flu is able to cause more severe symptoms and deaths. d. flu is more likely to be transmitted from animal contact.

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:

answer: i don't know

explanation:

you need to provide a picture, otherwise i can't tell you.

if you can provide one, i'd be more than happy to you with this!