Multiple Choice
Over the last century, global temperatures have risen by about
A) 0.1 oC (0.2 oF)
B) 0.8 oC (1.4 oF)
C) 2.0 oC (3.6 oF)
D) 3.2 oC (5.8 oF)
Correct Answer:

Verified
Correct Answer:
Verified
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