what is global warming ?
there are many different gasses in the space.the sunlight can not return in to space after collide to the earth, reason is that cause of more gasses.as a result the centigrade is increase day by day. this act is called ( global warming).
the causes of global warming
1st the global warming reasons are many but the main reasons are created by human.as we use gasses and oil for produce megawatts,and also we are using oil for our advantage as trade and traffic.as a result the( Carbon dioxide) increases in the space.this gas is use for stopping the sunlight after collide to earth to return to space .cause of this action global warming is increasing day by day.
the second reason of global warming is that METHANE GAS , methene gas is created by agriculture , when we give water to rice farming, then this gas create mathene .this gas is also working as Carbon dioxide
the third cause is that the evaporate of fog from sea from river from glacier . as this act the unable light can not reach to space and the earths centigrade increases every day ,and today the major cause of increase centigrade is because of this .
the fourth and last cause is that the cutting of forest . more cutting of forest will be lack of Oxygen and and will increase Carbon dioxide .because the trees use the Carbon dioxide as food.and Oxygen as expunge .and will be cause of global warming.
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