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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, …

…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.