Something that is giving up as the result of a choice is referred to as A. A cost
B. Scarcity
C. A shortage
D. A decision

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

Mosses, lichens and shrubs can be found where in russia? a.grasslands b.mountain regions c.coastal plains d.siberian tundra

The ozone hole is at its biggest each year in the ? hemisphere in the ? season.