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Which process in the carbon cycle can lead to excessive carbon in the atmosphere? In what form is it?

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  • ?
    Lv 7
    8 years ago
    Favorite Answer

    Photosynthesis; Carbondioxide.

    Source(s): Microbiology major
  • 8 years ago

    1. Burning old carbon (fossil fuels)

    2. Volcanic eruptions

    > In what form is it?

    In the atmosphere it's carbon dioxide and some particulates (e.g. soot).

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