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  1. Atmosphere of Earth - Wikipedia

    Several layers can be distinguished in the atmosphere based on characteristics such as temperature and composition, namely the troposphere, stratosphere, mesosphere, …

  2. The Atmosphere | National Oceanic and Atmospheric Administration

    Jul 2, 2024 · In short, the atmosphere is the protective bubble in which we live. This protective bubble consists of several gases (listed in the table below), with the top four making up …

  3. 4.1 Atmospheric Composition | METEO 300: Fundamentals of Atmospheric

    4.1 Atmospheric Composition The major gases that comprise today's atmosphere are listed in the table below. In most studies of atmospheric composition, the volume mixing ratio is used to …

  4. Atmosphere | Definition, Layers, & Facts | Britannica

    Jan 8, 2026 · Earth's atmosphere is a mixture of nitrogen, oxygen, water vapour, carbon dioxide, and several other minor components.

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  5. Composition and Structure of the Atmosphere – Environmental …

    Atmosphere refers to the layer of gases that surrounds Earth and is held in place by Earth’s gravitational attraction (gravity). The mix of gases in the atmosphere forms a complex system …

  6. Atmosphere - Education

    One of the main components of Earth’s interdependent physical systems is the atmosphere. An atmosphere is made of the layers of gases surrounding a planet or other celestial body. …

  7. Composition of Earth's Atmosphere - GeeksforGeeks

    Jul 23, 2025 · The composition of the atmosphere is predominantly nitrogen and oxygen, accounting for approximately 99% of its total volume. The remaining 1% consists of various …

  8. Composition of the atmosphere - BBC Bitesize

    The atmosphere is a mixture of gases. The atmosphere is mostly nitrogen (approximately 80%) and oxygen (approximately 20%). The remaining gases are found in much smaller proportions, …

  9. Earth’s atmosphere - Met Office

    The Earth’s atmosphere is divided into several layers, defined according to changes in temperature with altitude. The boundaries between the layers are not precisely fixed, but can …

  10. 3.3: Earth's Atmosphere- Divisions and Composition

    Ozone is a molecule that contains three oxygen atoms. At any given time, ozone molecules are constantly formed and destroyed in the stratosphere. The total amount has remained relatively …