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CK-12 Chemistry - Basic is a NEW high school FlexBook® textbook covering Scientific Method, Matter, Atomic Structure, Elements, Chemical Reactions, Stoichiometry, Chemical Kinetics, Physical States of ...
Understanding Biodiversity presents an overview of biodiversity, its importance and relevance to humans, all living things, and the Earth. It includes species pages and a template to engage and involv ...
Biology - Advanced concepts for high school.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).