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What does the phrase "global warming" mean?

Global warming is increase in average temperature of Earth's near-surface air (from Wikipedia).

Hope this helps.

global warmin is due to the heat tht is captured in the surface of the earth....the atmosphere dusnt let it escape ..thus it results in the increase in the temp...

it has many reasons...
due to pollution amount of CO2 n CO increases so these gases trap the heat in the atmosphere n thus the temperature rises...

one benifitial point...
if global warmin wudnt hav been there the earth's temp wud hav been very much less...which is nt gud...so one gud effect of it but many harmful too...

hop this helps you..

pri

when the globe becomes warm 😃

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