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- Air - Simple English Wikipedia, the free encyclopedia
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
- AIR Definition Meaning - Merriam-Webster
The meaning of AIR is the mixture of invisible odorless tasteless gases (such as nitrogen and oxygen) that surrounds the earth; also : the equivalent mix of gases on another celestial object (such as a planet)
- Air | Composition, Oxygen, Nitrogen | Britannica
Air, mixture of gases comprising the Earth’s atmosphere The mixture contains a group of gases of nearly constant concentrations and a group with concentrations that are variable in both space and time
- Air - National Geographic Society
Air is the invisible mixture of gases that surrounds Earth Air contains important substances, such as oxygen and nitrogen, that most species need to survive
- Air - definition of air by The Free Dictionary
1 Of or relating to the air or the movement of air: an air tube 2 Existing or living in the air; aerial 3 Powered by compressed air: an air horn 4 Containing or inflated by air
- Whats in the Air? - Center for Science Education
Air is a mixture of gases, most of which are naturally occurring Air also contains a significant amount of human-made air pollutants, including some that are not safe to breathe and some that are causing the climate to warm
- AIR | English meaning - Cambridge Dictionary
AIR definition: 1 the mixture of gases that surrounds the earth and that we breathe: 2 the space above the… Learn more
- Thousands advised to stay inside in Arizona - Newsweek
Thousands of people in Arizona face potentially unhealthy levels of air pollution early Friday, a live map from AirNow shows The map shows an area of fine particle (PM2 5) pollution in the
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