Nata keves

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Nata keves

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30-Nov--0001
Living in Antarctica

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The concept of the yield of the product of a chemical reaction | #chemistry # tasks # lesson

The concept of the yield of the product of a chemical reaction

All problems are solved on the basis of the law of conservation of the mass of substances: the mass of substances that have entered into a reaction is equal to the mass of substances that have been obtained as a result of the reaction.

The concept of the yield of the product of a chemical reaction

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Features and characteristics of the external structure of fish | #fish # structure # external signs

Features and characteristics of the external structure of fish

The anatomy of underwater animals speaks of a high level of organization.

Features and characteristics of the external structure of fish

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