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I laghi

Cosa sono e come si formano

Cosa รจ un lago una massa d'acqua ferma
La condizione per parlare di lago il bacino lacustre deve essere circondato da terraferma
Sapore dell'acqua del lago dolce,raramente salata
Cosa e' immissario fiume che sfocia nel lago
Altre fonti d'acqua per il lago sorgente sotterranea,precipitazioni atmosferiche
Cosa fa emissario compensa l'acqua in entrata del lago uscendo dal lago verso un altro fiume o mare
Come compensa i lago senza emissari evaporazione