Question

What is the major cause of global warming?

• A. Release of chlorofluorocarbons by diesel engines.
• B. Oxides of Sulphur and nitrogen released by petrol engines
• C. Release of carbon dioxide on combustion of fuels.
• D. Emission of Sulphur dioxide on combustion of coal

Answer 1

The correct option is C Release of carbon dioxide on combustion of fuels.

On combustion every fuel release carbon dioxide. The increased concentration of carbon dioxide is believed to capture the reflected rays, thereby increasing the temperature of the Earth causing global warming.