Since 1975, atmospheric temperatures on Earth have ____.
A. experienced extreme fluctuations from hot to cold
B. been increasing
C. decreased
D. remained constant
E. not changed
Answer: B
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At the world's current average rate of use per person, how many planet Earths would we need in order to provide an endless supply of renewable resources?
A. 0.5 B. 0.9 C. 1 D. 1.5 E. 2
Which process of heat transfer is displayed by the circulation of boiling water?
a. radiation b. convection c. conduction d. advection
Which one is not a problem of measuring GDP per capita?
A) GDP is only an average; does not capture distribution of wealth B) The purchasing power of currency varies across the globe C) Measures only formal economy D) Considers only economically active population E) Ignores all aspects of development other than economic activity
What soil regime is associated with intense evaporation?
A. gleization B. podzolization C. calcification D. laterization E. salinization