Answer:
CK-12 Foundation is a non-profit organization with a mission to
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web-based compilation model, CK-12 pioneers and promotes the
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that can be mixed, modified and printed (i.e., the FlexBook®
textbooks).
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The names “CK-12” and “CK12” and associated logos and the
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in whole or in sections must include the referral attribution
Step-by-step explanation:
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