Chemicals in the biosphere

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10 Questions - Developed by: Mr. Ebrahim - Developed on: - 4.947 taken

There are many chemicals in the biosphere but how much do you know about them and how much do you know about how chemicals are cycled in the environment?

  • 1/10
    The four main elements in the biosphere are:
    Carbon
    Hydrogen
    Oxygen
    Nitrogen

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