The transitional stage in Frank Notestein's demographic model is initiated by ________
A) resource depletion
B) industrialization
C) government intervention
D) epidemics
E) the increased use of contraceptives
B
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The sources of air masses occur only in low and high latitudes because
A) middle-latitude weather is too variable. B) middle-latitude weather is not variable enough. C) there are no oceans in the middle latitudes. D) there is insufficient contrast in surface type (land vs. ocean) in the middle latitudes.
An example of a partially mixed estuary is ____
A) Milford Sound B) Chesapeake Bay C) the mouth of the Columbia River D) the mouth of the Mississippi River
Survival of the fittest refers to those individuals that leave the most descendants.
Answer the following statement true (T) or false (F)
The first national park in the world was ________.
- Yellowstone - Glacier National Park - Grand Canyon - Death Valley - Yosemite