Which of the following is true about Earth's natural resources? O A. The natural resources can never be used up because humans can always make more O B. Geologic processes create an uneven amount of resources in different areas of the Earth O C. There is an equal amount of natural resources created in every area on Earth D Natural resources originally formed by geologic processes inside the Earth, but they are now created only by human-made processes​

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.

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

The vegetation that thrives in the tundra is limited to a. mosses, barley, wheat, and corn. b. coniferous trees. c. dwarf shrubs, mosses, lichen, potatoes, and beans. d. mosses, lichen, algae, and dwarf shrubs.