Multiple Choice
Select the event that marks the beginning of the instrumental period of climate history.
A) invention of the mercury thermometer by Daniel Fahrenheit in 1714
B) routine and widespread usage of thermometers starting in 1860
C) first temperature recording by an orbiting weather satellite in 1979
D) use of ocean-going vessels to measure marine air temperatures in 2000
Correct Answer:

Verified
Correct Answer:
Verified
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