AHE-01 Human Environment Block 1 - Environment Unit 1 - Introduction to Human Environment Unit 2 - Climate and Resources Unit 3 - Description of Ecosystem Unit 4 - Non-Living and Living Components of Environment Unit 5 - Social Environment and Population of Man Block 2 - Human Activities and Environment-I Unit 1 - Impact of Man on Environment Unit 2 - Effects of Overexploitation of Biological Resources Unit 3 - Effects of Agriculture on Human Environment...