The land area of australia is about the same size as the land area of
a. saudi arabia.
b. south america.
c. the united kingdom.
d. the continental united states.

In which type of economy do the forces of supply and demand typically drive prices? a. a market economy b. a traditional economy a planned economy d. a command economy select the best answer from the choices provided. 0 0 em oo 0 0

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