Question

How fire crackers are made ? how they are harmful to the environment and human beings

Answer 1

Firecrackers are generally made of cardboard or plastic, with flash powder, cordite, smokeless powder, or black powder as the propellant. ... Anything from match heads, kerosene to lighter fluid have been used successfully in making firecrackers.

they r very harmful to environment and human cause firing crackers lead to pollution you can watch also that while firing crackers so much of pollution is there my suggestion is not to fire crackers n to people also becoz excess of pollution can cause serious health issues  n can also lead to can cancer  n who is doing this stop them they r doing very wrong they are causing problems to themselves also and other people also...

hope this will help you this is my view ..... what is yours..