Which of the following are common water desalinization techniques?
A. distillation and precipitation
B. evaporation and ionization
C. ionization and reverse osmosis
D. distillation and reverse osmosis
E. ionization and precipitation
Answer: D
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The region that is projected to have the highest population increase for 2014 is
A) Sub-Saharan Africa. B) Latin America. C) North America. D) Europe.
Which of the following is NOT a challenge facing Caribbean tourism?
A) capital leakage where most the profits rarely remain in the local economy B) a trend of Americans to either opt for domestic beach resorts and/or more exotic locales such as Costa Rica or the Persian Gulf C) the vulnerability of the industry to external market forces (such as a 9/11 style attack or a global recession) that would lead to a dramatic drop in international arrivals D) geopolitical instability throughout the Caribbean Basin which has proven to be detriment to tourism E) a trend towards cruise ship visits which limits tourist interaction ? both cultural and economic ? with the local islanders
In a manipulative experiment ________
A) replication of the experiment is not necessary B) researchers manipulate as many variables as possible C) a scientist has been caught manipulating the data for economic gain D) researchers manipulate the independent variable E) the peer review process is bypassed
The term "parallels" refers to:
a. lines of longitude. b. lines of latitude. c. lines of meridian. d. great circle routes.