summary of chapter pollution of air of class 8th
answer my question fast tomorrow is my science exam please
Answers
Answered by
1
nitrogen dioxide is caused by combustion of petrol / gasoline in automobiles and it can lead to respiratory problems in humans
chlorofluorocarbons are used as refrigerants /solvents
carbon monoxide is a very harmful gas and it can cause leaf drop
chlorofluorocarbons are used as refrigerants /solvents
carbon monoxide is a very harmful gas and it can cause leaf drop
please7:
I want summary of chapter
Similar questions