We read in newspapers that burning
Question:

We read in newspapers that burning of fuels is a major cause of global warming. Explain why?

Solution:

Burning of fuels is a major cause of global warming because they produce a lot of greenhouse gas ‘carbon dioxide’ on burning.

The earth’s atmosphere allows most of the sunlight that falls on it to pass through and heat the surface. But greenhouse gases such as carbon

dioxide, methane, water vapours | trap the heat radiated from earth. This leads to an increase in earth’s temperature. This is

known as greenhouse effect.When concentration of greenhouse gases such as carbon dioxide increases, greenhouse effect also increases. This

is known as global warming. It may cause melting of ice caps and glaciers resulting the rise in sea levels.

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