This is an easy question but i'm overthinking it : (( there are some parts of the world where more than two plates react in complex ways. one example of this is near spain where three plates are moving together. what do we call these areas? a. plate boundary zones b. trench zones c. ring of fire d. continental shelf zones

Which of the following terms describes the layers of air surrounding the earth ?

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.

How does central place theory explain patterns in the size and distribution of cities?