Rain gauges collect and measure the amount of rain that falls on a particular spot. If you collected all the rain gauges in the world and placed them side-by-side, they would cover an area the size of: *

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.