Course Code esm317 Question Rapid industralization has caused Answer all Question The number of methods involved in recycling steel is Answer 2 Question Recycling rate of aluminium is Answer 0.35 Question Pollution has effect on Answer natural resources Question Materials that causes pollution are called Answer pollutants Question Peroxyacetylene nitrate denotes Answer PAN Question The non point source of pollution is Answer water runoff Question Upper atmospheric region is known as Answer stratosophere Question Environmental pollution is caused by Answer all Question The constituents of the environment are Answer all Try Another Search