With the closing of the American frontier, a shift occurred in North America from ________
A) An industrial based economy to an agricultural based economy
B) An agricultural based economy to a service based economy
C) An industrial based economy to a service based economy
D) An agricultural based economy to an industrial based economy
D
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Secondary ecological succession takes place after a clear-cut operation.
Answer the following statement true (T) or false (F)
If transportation costs were almost nonexistent — that is, if industries did not have to pay money to transport inputs and finished goods over long distances — what are the major changes that could occur in the automobile manufacturing industry?
What will be an ideal response?
During times when precipitation exceeds potential evapotranspiration,
A. extra water goes into soil-water recharge if the soil is below field capacity. B. there cannot be a deficit. C. water may go into deep percolation into groundwater. D. All of these.
Tectonic forces that pull parts of the crust away from each other are known as _______________ tectonic forces
Fill in the blank(s) with correct word