Question

what is ment by global warming?​

Answer 1

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Sudden increase in average temperature of earth is known as global warming.

Answer 2

Answer:

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Global warming refers to the steady temperature rise on our planet. ... In 2019, the average global temperature over land and ocean was 1.75 degrees F (0.95 degrees C) above the 20th-century average. That made 2019 the second hottest year on record, trailing only 2016. This rise in heat is caused by humans.