The amount of carbon released in the atmosphere mainly through carbon dioxide. When the amount of carbon dioxide emitted into the atmosphere becomes greater than the amount that flora can absorb, the problem arises, i.e. pollution. High carbon dioxide production and emission rates are due to the consumption of electricity, as well as the burning of fossil fuels. When burning fossil fuels, carbon dioxide is emitted, and 85% of electricity worldwide is obtained by burning of fossil fuels.
The answer is: B.
