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anthonysutton82
03.10.2019 •
Biology
In socially stratified societies, the relative frequency of many diseases, health problems, and death rates varies directly with
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Ответ:
On Earth, human activities are changing the natural greenhouse. Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric carbon dioxide (CO2). This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2.