Geographers Are Studying the Phenomenon Whereby,as the Global Population Increases,arable

Geographers are studying the phenomenon whereby,as the global population increases,arable land is being converted into zones of economic development and residential housing.This development leads to more intensive farming of the agricultural soils still in use,increasing the risk of soil erosion and pollution.This study falls into which of the following categories?

A) deforestation
B) farmland loss
C) global climate change
D) natural hazards
E) none of these