QULLUI 1 POIUL Regions that receive up to 20 inches of rainfall per year are referred to as because they receive more precipitation than most deserts. coastal deserts subtropical deserts polar deserts semiarid deserts​

Which of the following statements best characterizes changes to agriculture in the united states since 1900? a. increased mechanization has reduced the need for labor. b. increased mechanization has increased the need for water, thereby increasing the need for labor. increased mechanization has increased the use of land, thereby increasing the need for labor. d. increased mechanization has increased food production, thereby increasing the need for labor. select the best answer from the choices provided.