<em><u>371 ppm is the quantity of carbon dioxide that was in the atmosphere in 1980.</u></em>
<em><u>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.</u></em>
In 2017, the average global atmospheric coincentration of carbon dioxide was 405.0 parts per million.
Cellular Respiration to Produce Heat. When the human body gets too cold, it maintains temperature homeostasis by producing heat to warm itself. ... This flow generates power that is used to form new ATP molecules.
