Which of the following is most responsible for air pollution in the us and canada?
a.
vehicle and industrial emissions
b.
water runoff from farms
c.
mining for minerals
d.
logging and clear-cutting

Option: A.  vehicle and industrial emissions

Explanation:

Air pollution is one of the major problems in big countries like Canada and the United States. Air pollution is created by vehicles, industrial emissions, fossil fuels, and wood burning. According to the report, Canadian industries generate 73% air pollution, which is lager than its neighbour United states. Burning of fossil fuels such as natural gas, coal, and oil creates a huge impact on the air by releasing CO2, which is harmful to the environment and us human.

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