Seudónimo Seudónimo

06-02-2018
Chemistry

contestada

The three primary sources of air pollution are _____.
cars
factories
forest fires
airplanes
electric power plants

Respuesta :

cianni563 cianni563

06-02-2018

cars,air planes,factories

Answer Link

28alyssalfu 28alyssalfu

23-09-2021

Answer:

The answer is Cars (automobiles) electric power plants and factories

(I did the lesson so...)

Explanation:

Answer Link

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