According to the unit, how many people live on this planet? 5 billion
7.6 billion
45 million
75 million
(I know many more people live on this planet as of now, but the unit is asking this).

Most countries in the middle east must import a majority of their a. gasoline b. oil c. food d. water

While viewing a topographic map, you notice a region in which the contour lines are very close together. what can you conclude about this region? a. it has a high population. b. it has a steep incline. c. it's near a political boundary. d. it contains a body of water.

The images show two different fronts. which fronts are shown? item a shows a cold front, and item b shows a warm front. item a shows an occluded front, and item b shows a cold front. item a shows a warm front, and item b shows a stationary front. item a shows a stationary front, and item b shows an occluded front.