Question

please!! answer my questions???

Answer 1

mujhe toh nahi aata hai main nahi bata Sakta

Answer 2

8.CFC means chlorofluorocarbon come from air conditioners and refrigerators.It harms when it react with the ozone gas and leads to the depletion of the Ozone layer and formation of holes in it .
9.The increasing concentration of a substance such as toxic chemical is called biological magnification
10.As a result of various exhaust gases a human liver,respiratory system stop working.
11.acid rain can corrode building and statues especially those made with marble and Stone.
12.Rain having high amount of acid is called acid rain
13.The wastewater which is come out from our house is called sewage.It is harmful because it brings water pollution and animals didn't stay in dirty water.
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