If the darker shadings represent greater density, the above map best represents

A) population.
B) GDP per capita.
C) total GDP.
D) life expectancy.
E) semiperipheral regions.


Answer: A

Environmental & Atmospheric Sciences

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A building design can save energy and money by

A. using superinsulation, green roofs, and natural light. B. setting thermostats high in the winter, and using superinsulation and green roofs. C. utilizing natural lighting, reducing insulation, and green roofs. D. setting thermostats low in the summer, recycling wastewater, and using superinsulation. E. using green roofs, setting thermostats high in the winter, and utilizing natural light.

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The sail-like fin of the pelycosaur may have served as all of the following except

a. sexual display. d. a means to look more ferocious. b. a means of locomotion. e. a thermoregulatory device. c. a means of protection.

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Nuclear power plants are especially expensive because they

A) require the highest levels of security. B) usually cost as much to decommission as they cost to build. C) have so many parts that must be coated in gold. D) are constructed of many thick layers of concrete.

Environmental & Atmospheric Sciences

The ozone layer is found within the stratosphere

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences