As temperatures in the Arctic rise, which of the following changes may occur?
A. Tundra will be replaced by taiga.
B. Taiga will be replaced by tundra.
C. Temperate forest will be replaced by taiga.
D. Tundra will be replaced by desert.
E. Taiga will be replaced by temperate rain forest.
Answer: A. Tundra will be replaced by taiga.
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