Question

PM 2.5 is responsible for causing greatest harm to human health.
what is it ?How it is it harmful?​

Answer 1

⇒ 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. Cocaine, for instance, can cause a heart attack even in a kid or teen.

Answer 2

Answer:

❤️..........hope it helps uh.......❤️