Question

why should smoke coming out of factories should be filtered​

Answer 1

Answer:

It should be filtered so as it doesn't harms our environment , doesn't increase air pollution and it also leads to holes in ozone layer making us disease tackled. It has poisonous gases for our environment , therefore it should filtered .

Hope these reasons help ..

But no one will filter it..

Answer 2

Answer:

It should be filtered because the smoke coming out of factories is very dangerous for our lungs as it reduces the area of gaseous exchange in the lungs . smoking can cause heart failure and is also linked to cancer . it must be avoided to remain healthy always