WATER POLLUTION AND BIOLOGICAL PURIFICATION: An entry from Gale's <i>World of Earth Science</i>

This digital document is an article from World of Earth Science, brought to you by Gale®, a part of Cengage Learning, a world leader in e-research and educational publishing for libraries, schools and businesses. The length of the article is 673 words. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser. A comprehensive guide to the concepts, theories, discoveries, pioneers, and issues relating to topics in earth science. Its encyclopedic approach offers entries that are written in easy to understand language.