The four outer (giant) planets are composed largely of ________.
A. ammonia
B. hydrogen
C. carbon dioxide
D. water vapor
E. nitrogen
Answer: B
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"If domestic gas prices rise to $5 per gallon, growth will slow significantly and our quality of life will decline." This view is consistent with ________ economics
A) environmental B) neoclassical C) anarchic D) subsistence E) social
Which of the following places are the coldest areas of the northern hemisphere?
A. at the centre of large bodies of water B. on the periphery of large land masses C. in the interior of large land masses D. in coastal waters
Consider a surface low pressure area that moves from south to north directly east of your home in the northern hemisphere. Which of the following describes the resulting shift in wind direction?
A. from S to SE to E B. from SE to E to SW C. from N to NE to E D. from NE to N to NW
With billions of dollars already spent to fight AIDS and the need for much higher spending, which of the following represents the best strategy to fight AIDS worldwide?
A) Increase preventive measures to slow new infections, especially changes in sexual behavior. B) Create, manufacture, and distribute as widely as possible a new AIDS vaccine. C) Produce generic versions of drugs known to be affective against HIV. D) Adopt policies to quarantine large populations of HIV-infected people to prevent the further spread of HIV.