Which of the following statements gives an important reason for the large daily temperature range over deserts?
A. Free convection cells are unable to form above the hot desert ground.
B. Dry air is a very poor heat conductor.
C. There is little water vapour in the air to absorb and re-radiate infrared radiation.
D. The light coloured sand radiates heat very rapidly at night.
Answer: C
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Josip Broz Tito
A) encouraged ethnic cleansing in Bosnia & Herzegovina of Bosnian Muslims. B) served as a centripetal force for Yugoslavia. C) was elected to lead a newly independent Kosovo. D) created the term "Balkanization." E) was born in Albania but claimed Serbian ethnicity.
Water diversion and pumping has allowed humans to grow crops in areas where natural supplies have been limited. A major challenge that exists in these regions has been ________
A) high trophic-level efficiency B) low crop diversity C) high pesticide use D) salinization of soils E) soil erosion
Which of the following units cannot be used to measure the volume of water?
A. gallon B. cubic meter C. liter D. acre
The "snow-eater" wind of the Rocky Mountains is called the ________
A) chinook B) monsoon C) Santa Ana D) Rossby E) Hadley