Between 1950 and 2017 the productivity of wheat farmers in the United States more than doubled.This means that
A)the amount of land and other resources devoted to wheat production more than doubled.
B)the incomes of wheat farmers more than doubled.
C)the total amount of wheat produced more than doubled.
D)the amount of wheat produced by the average farmer more than doubled.

Question

Quizplus · Accepted Answer

Productivity refers to the amount of output produced per unit of input. In this case, the productivity of wheat farmers in the US more than doubled, which means that the amount of wheat produced by the average farmer more than doubled, not necessarily the total amount of wheat produced, the amount of land or resources dedicated, or the income of farmers.

Between 1950 and 2017 the Productivity of Wheat Farmers in the United