One of the ways disease spreads in developing countries is through polluted water. This topic is a serious one for young readers to understand. In this book, the issues of pollution are explained in age-appropriate detail, complete with full-color photographs of air, land, and water pollution. In addition, each engaging topic concludes with a helpful flowchart to review how acid rain works, how bacteria enter drinking water, and the ways algal blooms form. This volume is a great resource for both science and social studies students learning to understand the importance of conservation and respect for the world around us.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.