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May 3, 2024 · Learn about the mixture of gases that make up the Earth's atmosphere, their proportions, and their effects on climate and life. Explore the history, properties, and applications of air in science and technology.
- The Editors of Encyclopaedia Britannica
Learn the various meanings and uses of the word air as a noun and a verb, with synonyms, examples, and etymology. Find out how air can refer to the gas mixture, the atmosphere, the melody, the broadcast, and more.
Apr 5, 2023 · A drama sport film directed by Ben Affleck and starring Matt Damon, Jason Bateman and Ben Affleck. It follows the true story of how Nike signed Michael Jordan in 1984 and changed the world of basketball and sports marketing.
- (145K)
- Drama, Sport
- Ben Affleck
- 2023-04-05
The atmosphere of Earth is the layer of gases, known collectively as air, retained by Earth's gravity that surrounds the planet and forms its planetary atmosphere.
Oct 19, 2023 · Learn about the composition, properties, and effects of air, the invisible mixture of gases that surrounds Earth. Find out how air supports life, affects climate, and is used in various ways by humans and other organisms.
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In 2019, Columbus air quality index (AQI) averaged an annual score of 37 or “good.” The US Environmental Protection Agency (EPA) describes “good” air quality as air that generally poses little to no health risk. Similar “good” ratings have been achieved each year in Columbus since 2012.
Air is a mixture of many gases and tiny dust particles. It is the clear gas in which living things live and breathe. It has an indefinite shape and volume. It has mass and weight, because it is matter. The weight of air creates atmospheric pressure. There is no air in outer space .