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Acid Rain: The Invisible Threat DVD
SR-8490-DVD
470013-448
Acid Rain: The Invisible Threat DVD
Animated graphics and dramatic footage tell the story

Get up-to-date information about the harmful effects of acid rain.
Students see how clouds containing pollutants (sulfur and nitrogen oxides) form acids as they mix with water. This acidic solution can then be carried by the wind for hundreds of miles before it falls to Earth, causing extensive ecological damage.
Includes: teacher's guide. 15 minutes. Grades 7-12.
   
 

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