Summarize your findings and explain how you might limit the pollutants or exposure to them what things could you replace

Limit the amount of times you use or put gas in your car

Explanation:

Vehicles are The biggest air quality compromisers, producing about one-third of all U.S. air pollution. The smog, carbon monoxide, and other toxins emitted by vehicles are especially troubling because they leave tailpipes at street level, where humans breathe the polluted air directly into their lungs.

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answer; (d) braking faster then cars;