Industrial agriculture a. is necessary today for all cultures b. increased our ability to obtain more food from the same area c. permanently improved soils, providing more food from less space d. rapidly deteriorated soils, requiring continuous movement to new croplands

The correct answer for the question above is B,
Industrial agriculture increased our ability to obtain more food from the same area. Industrial agriculture is a form of modern agriculture that refers to industrialized production of crops, poultry, livestock and fish. The methods used are technoscientific, economic and political. For example today majority of American farmland is dominated by industrial agriculture.