In January, 2002, an object 0.3 km across passed within 800,000 km of Earth, only roughly twice the distance to the moon
a. True
b. False
ANSWER: True
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The heaviest precipitation on Caribbean islands tends to be
A. on the southwest coast B. on the northeast-facing hills C. on the west coast D. on the capital city
To calculate a country's dependency ratio, one needs to know the country's population and
A) the number of children still receiving financial support from their parents. B) the number of people who are actively looking for work but are unable to find it. C) all of a country's population younger than age 15 or older than age 64. D) the number younger than age 15. E) the number older than age 64.
Taxonomy is a branch of science which
A. labels the types of ecosystems. B. allocates public funds for conservation efforts. C. attempts to create new species in laboratories. D. describes relationships among species.
What is the cause-and-effect relationship between the pattern of upper-level winds and surface low- and high-pressure systems?
A) There is no strong or consistent relationship. B) Upper level wind patterns strongly control the origin and development of surface systems. C) Surface systems control the upper level wind patterns. D) Surface systems depend primarily on wind speeds at upper levels. E) Surface lows decrease upper level wind speeds, surface highs increase them.