Which of the following is one of the Milankovitch cycles?
a. variations in the shape of Earth's orbit
b. shifts in the paths of cyclonic storms
c. changes in solar output
d. changes in Earth's atmosphere
a
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The specialization of peripheral countries in raw materials and foodstuffs, the decentralization of manufacturing to areas of low labor costs, and the emphasis of core regions on high-tech manufacturing and services describes
A) the digital divide. B) the international division of labor. C) comparative advantage. D) import substitution. E) initial advantage.
Which of the following is commonly associated with tributaries?
A) Rapids when the tributary joins the main river B) Delivery of sediment to the main river C) An increase in the discharge in the main river D) All of these are correct.
Which scenario would be considered a “hard” solution for avoiding damage by natural disasters??
a. ?Changing building codes to require that coastal homes be built on stilts. b. ?Reserving hazardous areas for parkland and recreation. c. ?Building a levee along the banks of a river. d. ?Allowing new construction only in hazard-free zones. e. ?Requiring homeowners to repair damaged structures to meet stronger guidelines.
Since the beginning of the Industrial Revolution, the increased flux of carbon into the atmosphere has been primarily because of ________
A) desertification B) addition of phosphate in detergents C) deforestation D) addition of fertilizers to the soil E) burning of fossil fuels