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举一反三
【单选题】Dr Corell heads a team of some 300 scientists who have spent the past four years investigating the matter in a process known as the Arctic Climate Impact Assessment (ACIA). The group, drawn from the e...
A.
The albedo of the poles will be larger if snow melts.
B.
the albedo of snow is larger than that of the exposed dark earth if snow melts.
C.
More energy is needed to warm up the Arctic since the atmosphere there is thinner.
D.
Less solar energy is lost in volatilization at the poles than at the equator.