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What are four examples of air pollutants?

Answer 1

Hannah Amos

Nitrogen dioxide (#NO2)_#:
It is the main component of acid rain. And is released in the atmosphere as a result of burning f fossil fuel.
Sulfur dioxide (#SO_2#):
It is also the main component of acid rain. And is released in the atmosphere as a result of burning f fossil fuel.
Carbon monoxide #(CO#):
It causes suffocation and many other health hazards. And it is produced as a result of incomplete combustion.
Lead (#Pb#):
The major sources of lead air emission are motor vehicles and industrial sources. It can damage nervous system, cardiovascular system and renal system.
I hope it will help you.

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Answer 2

Wesley Alvarado

Particulate matter (PM)
Nitrogen dioxide (NO2)
Sulfur dioxide (SO2)
Carbon monoxide (CO)

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.