Question

Explain how human activities lead to global warming.

Answer 1

Answer:

when human use various vehicles it causes pollution. when they cook food in chimney it also produce pollution. when they cut trees it causes pollution. and so on

Answer 2

‘Human activities’ such as deforestation, increased carbon dioxide release in to the atmosphere causes Global warming.

Explanation:

• Global warming is a process of heating up of the atmosphere due to the increase in ‘greenhouse gases’ in the atmosphere.  

• This greenhouse gases absorb the ‘sun’s radiation’ and heat the earth surface thereby raising the overall temperature.  

• This rising of temperatures cause ‘melting of the glaciers’ and rise in sea level.  

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