We've all heard a great deal about oil spills recently.
The recent oil spill in the Gulf of Mexico is among the greatest environmental catastrophes in our nation's history. Many people have heard this, but they may not understand exactly why.
National Geographic has an online quiz you can take to test your knowledge of the oil industry and the challenges of oil spills.
Why can't we use evapolation to clean the spill, like with petroleum spills? What do chemical dispersants do?
Know the answers? Curious to find out? Take the quiz!
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