1.MAN DICTIES THE AIR WITH GASES AND SMOKES,POISONS THE WATER WITH CHEMICAL OTHER SUBSTENCES,AND DAMAGES THE SOIL WITH TOO MANY FERTILIZERS AND PESTICIDES
2.YES,IT IS
3.they damaged with fertilizers and pesticides
4.by scattering junk and litter on the land and in the water
5.it can cause illness ,and even death
6.environmental pollution also bring uniless to man's naturally beautiful world