Why might an earthquake's primary waves, but not its secondary waves, reach a location on the other side of the world from the epicenter? *?

The model of human settlement suggests that uthe model of human settlement suggests that urban growth is patterned around transportation networks such as railroads and highways. a. burgess b. hoyt c. sauer d. von thunenrban growth is patterned around transportation networks

Pollution from one country can affect another. for example, south korea is especially affected by pollution and dust storms that come from

Indicates how many people live in an area