The correct option is B All of the above
Overexploitation of resources is disturbing environment in many ways. Wasting water has far-reaching consequences, which include the destruction of aquatic environments, lack of agricultural productivity and scarcity of safe drinking water. Wastage of water leads to water scarcity. Unplanned exploitation of environmental resources has caused a lot of havoc to man and his environment on one hand. Air pollution, pollution of water, dumping of waste etc are some of the results of an unplanned exploitation of environmental resources. Desertification at the global level is the reduction in biodiversity, as it contributes to the destruction of the habitats of animal and vegetal species and micro-organisms.