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Politics : Formerly About Advanced Micro Devices

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To: Broken_Clock who wrote (1516456)1/26/2025 2:38:25 PM
From: Eric  Read Replies (1) of 1570699
 
Without greenhouse gasses in the atmosphere we would see an average temp on Earth of about -18C.

Elementary atmospheric science:

Greenhouse gases (GHGs) are the gases in the atmosphere that raise the surface temperature of planets such as the Earth. What distinguishes them from other gases is that they absorb the wavelengths of radiation that a planet emits, resulting in the greenhouse effect. [1] The Earth is warmed by sunlight, causing its surface to radiate heat, which is then mostly absorbed by greenhouse gases. Without greenhouse gases in the atmosphere, the average temperature of Earth's surface would be about -18 °C (0 °F), [2] rather than the present average of 15 °C (59 °F). [3] [4]</i>

en.wikipedia.org

Snowball Earth

en.wikipedia.org
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