3b. Acid Rain

<BODY> <h2>3b. Acid Rain</h2><br> Segments include: <B><I>Acids 1: pH Scale</I></B> - An introduction to acids and the pH scale; plus a look at the origins of acid rain. <B><I>Acids 2: Acid Rain</I></B> - Where various acids and bases rank on the pH scale; plus the most damaging forms of acid rain, caused by sulfur dioxide and nitrogen dioxide. <B><I>Acids 3: Acid Death</I></B> - A look at "Lake 223" and how scientists have watched as its ecosystem was destroyed by acid rain. <B><I>Acids 4: Death of a Tree</I></B> - Shows the deadly process called leeching, where acid rain seeps into soil and then plants. 07DR IJSCA 11 min. <A HREF="index.htm" target=_top>Home</a><br> </BODY>