How are tsunamis dangerous to human society? A. They cause earthquakes, which cause great destruction. B. They lead to increased rainfall, which causes flooding. C. They leave several deadly aftershocks in their wake. D. They carry away humans and property.

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.

All of the following occurred due to the invention of the railroad except

Who developed the theory of plate tectonics?