Earthquakes typically occur along plate boundaries such as divergent, convergent, and transform. Earthquakes can cause other disasters such as tsunamis.

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.

30% of the earths surface is made up of? a. water b. desert c. land d. cities

What was the main purpose of the "four freedoms" speech?