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Environmental Protection

 Ūdens piesārņojums
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ID number:212979
 
Author:
Evaluation:
Published: 04.01.2013.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Izšķir trīs ūdens piesārņojuma veidus:
Ķīmisko
Fizikālo
Bioloģisko piesārņojumu

Ķīmiskais piesārņojums
Organiskas dabas
Neorganiskas dabas

Fizikālo piesārņojumu veido:
Siltumsārņi
Radioaktīvie sārņi
Mehāniskie sārņi

…

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