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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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Mirbek Mirbek
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6 years ago
Keeling's reports from Mauna Loa demonstrated ________.
 
  A) that as distances from cities decreased, CO2 concentrations increased
  B) an increase in tropospheric CO2 from the 1950s to present
  C) the presence of El Nio
  D) that sediments deposited on the seafloor can yield clues about past climates
  E) that CO2 levels have been stable over the last 40 years
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jvidaurrijvidaurri
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6 years ago
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Mirbek Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
hannahspillett
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Yesterday
You make an excellent tutor!
MAry1395
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2 hours ago
this is exactly what I needed
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