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Acid Rain

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.
  • Read
    Acid Rain

    Acid Rain

    by Jim Doherty, Ph.D. //at grade

    The causes and effects of acid rain.

  • Real World Application
    Earth's Facial

    Earth's Facial

    by Support Admin //at grade

    Students compare a facial to mechanical and chemical weathering, followed by two specific weathering scenarios.

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