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  1. Airbnb: Vacation Rentals, Cabins, Beach Houses, Unique Homes

    Get an Airbnb for every kind of trip → 8 million vacation rentals → 2 million Guest Favorites → 220+ countries and regions worldwide

  2. Air | Composition, Oxygen, Nitrogen | Britannica

    May 2, 2025 · 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 …

  3. 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 …

  4. 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 …

  5. Air - National Geographic Society

    Oct 1, 2024 · 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.

  6. Air (2023) - IMDb

    Reviewers say 'Air' is a compelling film about Nike's rise and the Air Jordan brand, focusing on a crucial marketing deal. Themes include branding power, corporate impact on culture, and …

  7. What's 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 …

  8. Air - definition of air by The Free Dictionary

    air - a mixture of gases (especially oxygen) required for breathing; the stuff that the wind consists of; "air pollution"; "a smell of chemicals in the air"; "open a window and let in some air"; "I need …

  9. AIR | definition in the Cambridge English Dictionary - Cambridge …

    For people to be healthy, they must breathe clean air from their first breath to their last.

  10. Home | American Institutes for Research

    Since 1946, AIR has worked with federal, state, and local governments to improve the lives of everyday American citizens in the areas of education, health, and the workforce—from …

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