What quantity of carbon dioxide was in the atmosphere in 1980

371 ppm is the quantity of carbon dioxide that was in the atmosphere in 1980. Atmospheric carbon dioxide concentrations in parts per million (ppm) was 371 in 1980. However, this has increased over the years due to human activities such as burning of fuels which release carbon dioxide into the atmosphere.

Explanation:

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if you are on the computer you can not take a picture but you can upload one but i am not sure about phones but i'm pretty sure it's the but to upload one just click the paper clip looking thing/ link thingy thing and upload a pic