WORLD HISTORY

Detailed explanation-1: -The two most common problems are loss of agricultural land and decreased varieties of crops. As the amount of available agricultural land decreases, the quantity of food available to consumers reduces. This harms not only the economy but also the level of health in the population.

Detailed explanation-2: -Agriculture comes under the primary sector of economic activity. The primary sector includes the production and extraction of raw materials. The other activities which are related to this sector are mining, forestry, grazing, farming, hunting, fishing, quarrying, and gathering.

Detailed explanation-3: -Agriculture provides industrial raw material to a large number of industries (textile, silk, oil, sugar, rice, flour mills etc.) As a supplier of raw material, agricultural sector is of primary significance for the growth of industrial sector in the economy.