The CO_2 content of the atmosphere has increa | vedclass

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(B) The $CO_2$ concentration in the atmosphere was approximately $270$ ppm around the year $1750$ and rose to about $368$ ppm by the year $2000$. This

Vedclass · Accepted Answer

$270$ to $340$ ppm

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(B) The $CO_2$ concentration in the atmosphere was approximately $270$ ppm around the year $1750$ and rose to about $368$ ppm by the year $2000$. This significant increase is primarily attributed to large-scale deforestation (for grazing land,cropland,or urban development),changes in land use,and the extensive combustion of fossil fuels.

The $CO_2$ content of the atmosphere has increased in the last $150$ years from:

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