I need help please. This is passage and question: As used in the passage the words “arid velt” means:

A. An opening at the bottom of the river
B. A swampy basin
C. A densely wooded bank
D. A dry open piece of land

Suppose you live in location a, a part of the united states with a semiarid climate . you travel to location b, which is in a neighboring area . there you would find a humid continental climate. in which direction is location b likely to be , relative to location a? what is an explanation for the difference