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Air Conditioning
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Published on Dec 09, 2015
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1.
Air conditioning
SAM PURCHES
2.
Background
Alters air to more favorable conditions
First used in 1902
Used around the world
Photo by
Furniture San Antonio
3.
How it has changed the world
Made life more comfortable in Africa
Same in Australia and South America
Has not made much difference in Antarctica
Has decreased overall temp. in U.S.
Same in Asia and Europe
Photo by
lars hammar
Sam Purches
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