What percentage of Earth's land area is covered by dry regions such as deserts and steppes?
A) 14 percent
B) 30 percent
C) 9 percent
D) 50 percent
Answer: B
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There were multiple sources of water that contributed to the ocean. How was the majority of the ocean's water formed?
A) The condensation of a cloud composed of dust and gas from exploded stars B) The condensation and cooling of water vapor C) The infiltration of comets D) None of these choices
How might differences in climate (dry or humid,
hot or cold) affect the possibility of harvesting water from the atmosphere? What will be an ideal response?
The most important limiting factor in rocky intertidal communities is ________
A) food B) light C) nutrients D) predation E) space
On the Saffir-Simpson scale, a category 5 storm would indicate
a. a weak hurricane. b. a moderately strong hurricane. c. a very strong hurricane. d. none of these; the Saffir-Simpson scale applies to tornadoes. e. a moderate to strong hurricane.