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The CK-12 Earth Science for Middle School Teacher's Edition complements the CK-12 Earth Science for Middle School FlexBook® resource covering the study of Earth - its minerals and energy resources, it ...
The CK-12 Earth Science for High School Teacher's Edition complements the CK-12 Earth Science for High School FlexBook® resource covering Earth's minerals, energy resources, external/internal processe ...
Earth Science 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).