It has been observed that forest fires can produce up to 40 percent of the mean annual global emissions of which of the following gases?

a. nitrogen
b. carbon dioxide
c. oxygen
d. all of these

B. carbon dioxide

Explanation:

The coal and the oil account for the 43 % of the total emissions and for every ton of coal burned approx 2.5 tonnes of carbon are produced and the main sector are the electricity heat and the infrastructure and the main users are the industries and resident and the commercial sectors of the government.

Coniferous forest ecosystem

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