One day I was cleaning my car when I noticed that there were small, dark spot on my roof and trunk. I must have rubbed for two hours to try to get rid of those spots. When my dad came home from work that day I asked him about my cars paint. He told me that those spots were from acid rain. From that day on I have always had an interest in acid rain, …showed first 75 words of 440 total…

…showed last 75 words of 440 total…atmosphere may lower or raise the pH of unpolluted rain. However, when rain contains pollutants, especially sulfur dioxide and nitrogen oxides, the rain water can become very acidic. The information I found on acid rain gave me a better understanding on the causes and the effects of this undesirable precipitation. In my opinion, acid rain will be a greater problem in the future. As the world's population increases, so will the need for fossil fuels.