1. It is a natural heating process that occurs when certain gases in Earth’s atmosphere trap heat.

2. It refers to the recent and ongoing rise in global average temperature near Earth’s

surface.

3. It refers to any significant change in the measures of climate lasting for an extended

period.

4. A gas in the atmosphere that absorbs and emits radiation within the thermal infrared

range.

5. It refers to the average of all weather conditions of an area over a long period of time.

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