Why Did Charles Keeling Choose to Install an Atmospheric Carbon

question 21

Multiple Choice

Why did Charles Keeling choose to install an atmospheric carbon dioxide monitoring system on Mauna Loa, a volcanic peak on the Big Island of Hawaii?

• A)The remote location would allow only carbon dioxide that had mixed with the atmosphere to be measured.
• B)The peak is high enough to reach into the upper levels of the atmosphere where carbon dioxide concentrates.
• C)He wanted to better understand the impact volcanoes have on atmospheric carbon dioxide.
• D)The inaccessibility of the location would ensure that his instruments would not be tampered with.

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