Biology, 01.06.2020 23:59, matius0711

Charles Keeling’s work at the National Oceanic and Atmospheric Administration (NOAA) Mauna Loa Observatory paved the way to understanding how human activities can lead to global warming.
Which greenhouse gas did Charles Keeling measure at the observatory?
A)
carbon monoxide
B)
methane
C)
nitrous oxide
D)
carbon dioxide

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Charles Keeling’s work at the National Oceanic and Atmospheric Administration (NOAA) Mauna Loa Obser...