History, asked by duragpalsingh, 1 year ago

WHAT IS GLOBAL WARMING?

Answers

Answered by Nikki57
1
Global warming is increase in earth's temperature due to the effect of greenhouse gases like CO2 and many other harmful gases which has an adverse effect on our environment and human as well.This is also caused due to burning of plastic and fossil fuels and deforestation as trees gives us oxygen and help to make environment clean and fresh as well.As trees also trap CO2 but due to deforestation this is not possible.This is called greenhouse effect.


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Answered by Fuschia
6
Some gases like carbon dioxide, methane, chlorofluorocarbons,etc prevent the escape of heat from the Earth. This gases increase the Earth's average surface temperature if they are present in alarming concentration.This is called global warming. It is the enhanced greenhouse effect on the atmosphere of Earth.

The percentage contribution to greenhouse effect by different gases are as follows --
1) Carbon dioxide ( 60%)
2) Methane (20%)
3) Chlorofluorocarbons (14%)
4) Nitrous oxide (6%)

Effects of global warming are change in the pattern of annual precipitation, odd climatic changes, decreased crop productivity,etc

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