Books written by Martha Cyr

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  Science Explorer: Animals: All-in-One Teaching Resources

  Set of books for classroom use in a middle school science curriculum; all-in-one teaching resources volume includes lesson plans, teacher notes, lab information, worksheets, answer keys and tests.

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  Meteorologia y Clima

  Meteorologia y Clima

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  Science Explorer: Human Biology and Health

  Science Explorer: Human Biology and Health