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Hipervinculo Física
Definition of pH and the strength of acids and bases. How to use the pH scale and why pH is important to living things.
It is an educational content of CK-12 Foundation (to access some of the CK-12 con ...
Hipervinculo Ciencias de la Tierra y Medioambiente
The causes and effects of acid rain.
It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in).
Hipervinculo Ciencias de la Tierra y Medioambiente
The causes and effects of acid rain.
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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