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The CK-12 HS Earth Science Workbook complements the CK-12 HS Earth Science FlexBook® resource and includes six worksheets per lesson. Worksheets contain one of the following: multiple choice, T/F, voc ...
The CK-12 Biology Workbook complements the CK-12 Biology FlexBook® textbook and includes six worksheets per lesson. Each worksheet contains one of the following types of questions: multiple choice, T/ ...