9. Prepare a brief speech on global warming. You have to deliver the speech in your class.

Answers (1)

Greenhouse gases like carbon dioxide, methane, nitrous oxide trap heat and does not allow it to escape into space. As a result, the average temperature of the earth’s atmosphere is gradually increasing. This is called global warming.

Deforestation leads to an increase in the amount of carbon dioxide in the air because the number of trees which consume carbon dioxide is reduced. Human activities, thus, contribute to the accumulation of carbon dioxide in the atmosphere.

Global warming is a serious threat: causing sea levels to rise in many coastal areas, also result in wide-ranging effects on rainfall patterns, agriculture, forests, plants, and animals.

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