Approximately when did Earth’s atmospheric temperature begin rising?
a. mid-1500s
b. late 1700s
c. early 1900s
d. late 1900s
e. early 2000s
ANSWER: b
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Which of the following is a specialist species?
A. flies B. cockroach C. raccoons D. rats E. pandas
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.
The movement of air pollutants via evaporation and winds from tropical and temperate areas to polar regions is referred to as
a. temperature inversion b. the grasshopper effect c. acid deposition d. the rainshadow effect e. none of these answers
What two factors speed up rates of chemical reaction and weathering in rocks and soils?
A) high temperatures; very dry B) low temperatures; very dry C) warm temperatures; very moist D) low temperatures; very moist