This map represents the earth about 225 million years ago what is the name of this landmass

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.

Which two nations are doing the most to combat their environmental issues?

Acanyon on the ocean floor at which the crust bends downward is called a(n)