Which region of the country has the most states with families living in poverty compared to the national average? a. South b. Northeast c. Northwest

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 layer surrounds the center of the earth? a: crust b: core c: mantle

In which horizon of soil profile is prevent material usually found