Answers

2015-09-01T13:23:38+05:30
Carbon dioxide trap more heat and helps in keeping the earth warm otherwise the earth would become very cold.
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2015-09-01T17:26:10+05:30
Carbon dioxide is useful as:-
1.it trap heat and maintain the temperature of earth
2.it is very useful for living things as the plants take carbon dioxide from the air and if there is not co2 than there would be no plants and ultimately no life would sustain on earth
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