07-05-2016
Biology

contestada

acid rain is an example of____

a. a primary pollutant
b. a secondary pollutant
c. a tertiary pollutant
d. none of the above

Respuesta :

EmoAngel EmoAngel

07-05-2016

Acid rain is known as acidic pollutants that occur when sulfur dioxide in the atmosphere is oxidized in the presence of nitrogen dioxide. So none of those.

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Аноним Аноним

08-05-2016

the correct answer is d.

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