list any 3 human activities which would lead to an increase in the carbon dioxide content of air?
Asked by simran2 | 22nd Aug, 2010, 12:00: AM
Expert Answer:
The major human sources are:
1. Combustion of fossil fuels
2. Liberation of fixed carbon in e.g. forests and soils
3. Liberation of carbon from limestone in e.g. cement-making
1. Combustion of fossil fuels
2. Liberation of fixed carbon in e.g. forests and soils
3. Liberation of carbon from limestone in e.g. cement-making
Answered by | 22nd Aug, 2010, 11:34: PM
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