Answer:
In the Earth's lower atmosphere, near ground level, ozone is formed when pollutants emitted by cars, power plants, industrial boilers, refineries, chemical plants, and other sources react chemically in the presence of sunlight. Ozone at ground level is a harmful air pollutant.
Explanation:
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Answer:
winter is your answer and yes I can help you with more
The system make a wall and what ever gets pass it dies but not all of it dies that is how we get sick
The answer is gonna be C i believe