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ID number:860169
 
Author:
Evaluation:
Published: 06.12.2011.
Language: Latvian
Level: Elementary school
Literature: n/a
References: Not used
Extract

Gaisa piesārņojums
Par gaisa piesārņotājvielām sauc vielas, kas ietekmē gaisa kvalitāti (oglekļa oksīdi – CO2 un CO, sēra oksīds – SO2, slāpekļa oksīdi, hlors, fluora savienojumi).
Gaisa piesārņojuma cēļoņi ir fosilā kurināmā (ogļu, naftas, dabasgāzes utt.) dedzināšana, transporta, rūpnīcu izmešiem.

Ūdens piesārņojums
Ūdens tiek piesārņots galvenokārt tādēļ, ka upēs, ezeros, kanālos un citās ūdenstilpnēs ieplūst notekūdeņi.

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