The recently completed Qinghai-Tibet Railway connects what city to the rest of China?
A) Moscow
B) Kabul
C) Tashkent
D) Lhasa
E) Samarkan
D) Lhasa
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Evaporation of water
A) requires a lot of energy, since the latent heat of evaporation is high. B) decreases with increasing wind speed. C) is fastest over cold surfaces. D) increases as the relative humidity increases. E) increases when the atmospheric pressure is high.
The presence of free oxygen in the atmosphere is attributed mainly to which of the following?
A. volcanic activity B. development of blue-green algae C. formation of the outer core D. formation of the inner core
Because Alaska is so cold, the Trans-Alaska Pipeline had to be heated along much of its length to keep the oil flowing and to avoid damage from freezing soil.
Answer the following statement true (T) or false (F)
The atmospheric greenhouse effect is due primarily to the fact that ___
A) oxygen and ozone absorb ultraviolet radiation B) nitrogen and oxygen transmit visible radiation C) cloud formation releases latent heat energy D) carbon dioxide and water vapor absorb infrared radiation