When we think of air pollution we immediately think of the ways man has contributed to its accumulation over the decades. But some air pollution is the result of natural activities. Review the common types of air pollution and choose ALL the pollutants
which are the result of both natural AND man-made processes.
A)
radon
B)
methane
nitrogen dioxide
D
particulate matter
E
polychlorinated biphenyl
im

methane, nitrogen dioxide, and particulate matter

Explanation:

did it on USA test prep

which are post-impressionist paintings? check all that apply?

explanation:

post-impressionism is a predominantly french art movement that developed roughly between 1886 and 1905, from the last impressionist exhibition to the birth of fauvism. post-impressionism emerged as a reaction against impressionists' concern for the naturalistic depiction of light and color.

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