The correct option is B All of these
The human population explosion is the major cause of environmental degradation to which other causes are connected. Uncontrolled growth of the human population resulted in excessive use of resources and depletion of natural resources. Industrialization is being done for fulfilling demands that are contributing to air, land and water pollution. Agricultural lands are decreasing day by day and forests are being cut for residential and industrial purposes leading to deforestation which is causing land degradation and soil erosion. Over-farming and excessive use of resources are deteriorating the environment rapidly in all aspects.