How is human activity related to carbon dioxide concentrations in the atmosphere?
a. bu...
Geography, 27.09.2019 17:50 moomoofower
How is human activity related to carbon dioxide concentrations in the atmosphere?
a. burning fossil fuels decreases the concentration of carbon dioxide in the atmosphere.
b. cutting down forests decreases the concentration of carbon dioxide in the atmosphere.
c. cutting down forests increases the concentration of carbon dioxide in the atmosphere.
d. burning fossil fuels increases the concentration of carbon dioxide in the atmosphere.
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