there is a chapter atmospheric pollution and it contains many thing really manyyyy please can someone tell me that how many points should I learn, I mean like there is a topic on hydrocarbons and it has subtopics which are like it's man made sources natural etc so how many points should inlearn from each of them
Answers
Answered by
1
firstly depletion of ozone
then why there is need to then reduce concentration of
co2 causes of global warming
Similar questions