Question

List 2 factors that influence temperature by warming our atmosphere and 2 additional factors that tend to cool the planet. Which factor is the largest cooling and warming factor?

Answer 1

Dear Student,

Two factors that influence temperature by warming our atmosphere are:

• Green house effect: Gases like Carbondioxide and Sulphurdioxide are known as green house gases, they keep the atmosphere warm by trapping the heat in the earth's atmosphere. Increase in the quantity of these greenhouse gases has led to heating of earth known as global warming.
• Ozone depletion: The layer of ozone gas in the atmosphere prevented the harmful UV rays of the sun from entering the earth, however the ozone layer has depleted due to the use of gases like Chloroflorocarbon(CFC), due to which extremely harmful sun rays reach the earth and warm its atmosphere

Two factors that tend to cool the planet:

• Oceans: As our planet is 70% covered by water, it plays a very important role in cooling the earth's surface. Water is known to absorb a great amount of heat, thus immensly helping to cool earth off, however increasing plastic waste in the ocens has led to a decrease in the cooling ablity of oceans, as oceans are vastly covered by plastic waste.
• Forest cover: forests play a major role in regulating earth's temperature. They are very important to bring precipation to a place and they also help cool the planet.

Thus, one can say that greenhouse effect is the largest warming factor, whereas water cover of the earth is the largest cooling factor.

Thank you!

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