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La química en la atmósfera


El aire: El aire es esencial para la vida en el planeta y transparente en distancias cortas y medias. Es una combinación de gases en proporciones ligeramente variables, compuesto por nitrógeno (78 %), oxígeno (21 %),y otras sustancias (1 %), como ozono, dióxido de carbono, hidrógeno y gases nobles (como kriptón y argón).
biología 6º Secundaria ciencias naturales ciencias sociales ciencias Recommended age: 10 years old
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    Jairo Alonso Montoya Crespo
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