Pollution occurs when there is too much of any substance. a harmful substance is detected. harmful substances build to unhealthy levels. too many people handle the substances.

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Ernie

18 July, 04:26

Pollution occurs when there is too much of any substance. a harmful substance is detected. harmful substances build to unhealthy levels. too many people handle the substances.

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Tiana Ford · Answer 1

The correct answer is C. Harmful substances build to unhealthy levels.

Levi Randall · Answer 2

Pollution occurs when there is too much of any substance. As we are wasting more fossil fuels everyday, we are increasing the chance of risking another big pollution. These pollution is made up of harmful substances such as carbon dioxide, harmful chemical toxins, and others as well.