what is the world pollution level?
Answers
Answered by
0
it maybe pm 2.5 approx....
Answered by
1
According to the World Health Organization, the air in these 30 cities was found to be the most polluted in 2016. The air in these cities contains high levels of dangerous particulate matter, small enough to enter the human bloodstream through the lungs—a problem that contributes to an estimated 7
Similar questions