The gravity model helps to illustrate that spatial interaction is not based solely upon distance because it incorporates what factor in addition to the distance between two places?
A. terrain
B. culture
C. culture and terrain
D. mode of travel
E. population
Answer: E
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The terms inertia and stability, with respect to ecosystems, are mutually exclusive
Indicate whether the statement is true or false
What happens on either side of the equilibrium line in a glacier?
A) Sublimation occurs only above the line, and melting occurs only below the line. B) Melting occurs only above the line, and sublimation occurs only below the line. C) Above the equilibrium line, the amount of accumulation exceeds the amount lost by various processes. D) Air temperatures are below freezing below the line and above freezing above the line.
Regulating ecosystem services are ways that ecosystems control important conditions and/or processes such as ________
A) soil formation and nutrient cycles B) aesthetic beauty and recreation C) pollination and chlorophyll D) climate, water flow, and disease E) food, water, and fiber
When the carrying capacity drastically decreases, populations collapse.
Answer the following statement true (T) or false (F)