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The processes of calcination and roasting in metallurgical industries, respectively, can lead to :- (1) Global warming and acid rain (2) Photochemical smog and ozone layer depletion (3) Global warming and photochemical smog (4) Photochemical smog and global warming |
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Answer» (1) Global warming and acid rain Due to industrial process SO2 gas is released which is responsible for acid rain & global warming. |
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