Both A and B are the results of Urbanization, Illegal logging, Agriculture, Subsistence Farming.
Water depletion, a term often defined as long-term water-level decline caused by sustained groundwater pumping, is a key issue associated with groundwater use.
Deforestation, clearance or clearing is the removal of a forest.
Examples of deforestation include conversion of forestland to farms, ranches, or urban use.
The most concentrated deforestation occurs in tropical rainforests.