Question

what is global warming?

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Answer 1

Purple you army and The answer is :

Global warming is the unusually rapid increase in Earth's average surface temperature over the past century primarily due to the greenhouse gases released as people burn fossil fuels. ... Despite ups and downs from year to year, global average surface temperature is rising

Answer 2

Answer:

• Global warming is the long-term heating of Earth's climate system observed since the pre-industrial period (between 1850 and 1900) due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.
• Global warming is the term used to describe the rising of the average temperature on Earth. It has to do with the overall climate of the Earth rather than the weather on any given day. History of Global Temperatures. The Earth has gone through changes in temperature before.

Explanation:

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