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TEMA 5: IMPACTO AMBIENTAL. EL PLANETA HERIDO.

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TEMA 5: IMPACTO AMBIENTAL. EL PLANETA HERIDO.

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    1. TEMA 5: IMPACTO AMBIENTAL. EL PLANETA HERIDO.

    2. El agua La superficie del planeta está cubierto por océanos. El agua, como recurso, no es abundante. El 97% del agua del mundo es salada. Del 3% restante, sólo 0.5% se encuentra disponible.

    3. El agua en la Tierra

    4. El ciclo del agua

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