Which of the following is not a type of air pollution?

a.) acid rain

b.) mercury

c.) ozone

d.) oxygen

155 in think thats the answer

answer:

the snoflakes are not all the same they have different sizes and shapes. and different patterns.

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the cataracts of the nile are shallow lengths (or white water rapids) of the nile river, between aswan and khartoum, where the surface of the water is broken by many small boulders and stones jutting out of the river bed, as well as many rocky islets. in some places, these stretches are punctuated by whitewater

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gdp, commodity price cycle, growth patterns, and current travails.