filtration
Tags: [water, filtration]  ...
Tags: [water cycle, conservation, filtration, water, rain, green, grade 2, grade 4, grade 5]  ...
... sick so it is important to understand the filtration and treatment process that occurs before water reaches our taps. Most towns and cities get their water from lakes and rivers. Chemicals are added to ...
...  describe the water cycle in simple terms. describe methods of water conservation at home. describe the process of water filtration before it gets to homes and taps. describe what a rain gauge ...