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    • Sunset and clouds over ocean waves,
    Rights: NASA Published 30 June 2010 Size: 49 KB Referencing Hub media

    Exchange of carbon dioxide1 between the ocean and the atmosphere2 takes place at the surface.

    Acknowledgement: NASA

    1. carbon dioxide: CO2 is a colourless, odourless, incombustible gas. It is a product of cellular respiration and combustion and is an essential component in photosynthesis.
    2. atmosphere: 1. The layer of gas around the Earth. 2. (atm) A non-SI unit of pressure equivalent to 101.325 kPa.

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      carbon dioxide

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      2. CO2 is a colourless, odourless, incombustible gas. It is a product of cellular respiration and combustion and is an essential component in photosynthesis.

      atmosphere

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      3. 1. The layer of gas around the Earth.

      2. (atm) A non-SI unit of pressure equivalent to 101.325 kPa.

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