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- Air (disambiguation) - Wikipedia
Air (disambiguation) Look up air in Wiktionary, the free dictionary Air is the name given to the atmosphere of Earth Air or AIR may also refer to:
- 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 - Simple English Wikipedia, the free encyclopedia
Air can be polluted by some gases (such as carbon monoxide, hydrocarbons, and nitrogen oxides), smoke, and ash This air pollution causes various problems including smog, acid rain and global warming
- AIR Definition Meaning | Dictionary. com
The terms air or the air is used generally to refer to the sky or open space outside Real-life example: Airplanes and helicopters are designed to fly in the air, meaning the empty space over the ground
- 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
- 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 - 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
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