Gases, chemicals, and waste can dirty air, water, and soil, and cause pollution. People cause most water pollution. The main sources of water pollution are businesses, farming, and sewage. Some water pollution can also come from natural sources such as soil. Polluted water can make people and animals ill.
ISBN-13: 9781590363072
Availability: 
No Longer Available
Item is obsolete and cannot be re-ordered
Published: November 2005
Reading Level: Primary
Pages: 24
Format: Hardback
Publisher: Weigl Publishers
Product Category: Geography & Environment / Geo/Env: Environment/Ecology / Geo/Env: EE - Green Issues
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