1. The distance between two places as 4 cm up on map with a scale of 1:100,000 if this two places are located on 5,000 and 2,000 meters above the sea level. Then calculate the filed distance between this two places.

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.