Question

what is mean by globel warming
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Answer 1

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.

Answer 2

Answer:

Here's a simple definition of global warming. Over the past 50 years, the average global temperature has increased at the fastest rate in recorded history.

Explanation:

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