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Carbon Cycle

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
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    The Carbon Cycle

    The Carbon Cycle

    by Serenity Smith //basic

    Describes the features of the carbon cycle and the effect of fossil fuels.

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