Jupiter, Saturn, Uranus, and Neptune are surrounded by atmospheres of ________.
A. argon
B. carbon dioxide
C. oxygen
D. hydrogen and helium
E. nitrogen and krypton
Answer: D
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By 1950, the population of Latin America and the Caribbean had reached about ________ million
A) 25 B) 75 C) 160 D) 525
What is the objective of conspicuous consumption?
A) To purchase and enjoy products that are needed B) To identify oneself as a potential philanthropist for the needy C) To display wealth and status as a social statement to others D) To accumulate wealth that one's children will someday inherent E) To acquire goods that will increase in value as a long-term investment
Statistically, the 100-year flood has a ________ percent chance of occurring any year.
A. 50 B. 63 C. 10 D. 1 E. 2
What biofuels are used for transportation, and what is the potential for increasing biofuels in the United States?
What will be an ideal response?