Semanticos

Recursos > biogeochemical+cycle

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Ecosystems, basi? At grade

Describes characteristics of an ecosystem.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

Water Cycl? At grade

Covers the water cycle.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).

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