Carbon dioxide in Earth’s atmosphere increase between 1960 and 2000 about 360 to 370 ppm.
360 to 370 ppm of carbon dioxide in Earth’s atmosphere increase between 1960 and 2000 because of the human activities such as burning of fossil fuels. Carbondioxide increase in concentration due to burning of fossil fuel because carbondioxide gas released during the combustion process.
So we can conclude that option C is the right answer.
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