Question

What is PM 2.5. Why is it harmful.

Answer 1

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2.5 is a name of drug and drugs are always harmful because drugs aren't good for anyone, but they are particularly bad for a kid or teen whose body is still growing. Illegal drugs can damage the brain, heart, and other important organs. C ocaine, for instance, can cause a heart attack — even in a kid or teen.

While using drugs, people are also less able to do well in school, sports, and other activities. It's often harder to think clearly and make good decisions. People can do du mb or dangerous things that could hurt them — or other people — when they use drugs.
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Answer 2

Hey mate......

here's ur answer......

Pm 2.5 is a very harmful and strong drug that often leads to death . It is harmful because the chemicals involved in making it makes the human body toxic..

Now a days , teenagers are taking drugs to calm themselves down which is very dangerous. They should avoid it and stop using it.

Hope it helps ❤️