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प्रश्न
Prepare a brief speech on global warming. You have to deliver the speech in your class.
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उत्तर
Global warming is an increase in the average temperature of the Earth’s surface. It occurs as a result of an increased concentration of greenhouse gases in the atmosphere. The greenhouse gases include carbon dioxide, methane, and water vapour. These gases trap solar radiations released back by the Earth. This helps in keeping our planet warm and thus, helps in human survival. However, an increase in the amount of greenhouse gases can lead to an increase in the Earth’s temperature leading to global warming.
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संबंधित प्रश्न
What causes the rise in atmospheric temperature?
Without green house effect, the average temperature of Earth's surface would have been :
What is greenhouse effect and how is it caused?
A natural phenomenon that becomes harmful due to pollution.
State three causes that have led to an increase in greenhouse gases in the atmosphere.
A renewable source of energy which causes minimum or no pollution.
Explain the term WHO.
In the following statement, the underlined words are jumbled up. Write them in their correct form.
Carbon dioxide, thaneme, nitrous oxide and water vapour are known as heengrouse sesga.
Explain the greenhouse effect with reference to the gases responsible for it and their sources.
