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. c. 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.

Answer

Increased mechanization has reduced the need for labor.

Explanation

Mechanization is where human  and animal power is replaced by mechanical power whereby machines are used to work in farms for agriculture.  It reduced number of jobs which were available . The use of machines was highly efficient and also it had low operating costs. The work performed was generally acceptable and it was done within a short time. Increased mechanization reduced the the need for labor.

they protect against unsafe foods and medicines being sold

explanation: