Question

what is global warming what are causes of it

Answer 1

The gradual rise in the Earth's average temperature is called Gobal Warming.

Answer 2

Answer:

Global warming is a long term rise in the average temepature of earth's climate system.

Causes of Global warming :-

Due to excess use of vehicles, huge amount of toxic gases are released into the atmosphere. The gases emitting from factories also cause pollution. These gases go up into the atmosphere. They have made holes into the ozone layer. Ultraviolet rays of sun are coming to earth. They reach to the earth and cause global warming.

Explanation: