Analysis of some areas that were affected by oil spills have shown that cleaned areas were in worse shape than areas left alone. How can this be and what do these studies tell us about the way we approach oil spills?
Chemicals used clean up oil spills, such as dispersants that break up oil slicks on the surface, can be very harmful to living things- including the organisms that would metabolize the oil naturally. This tells us that cleaning a spill involves trade-offs. The best way to deal with oil spills is to prevent them.
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What will be an ideal response?
What is an environmental worldview? Discuss your environmental worldview and explain why you hold this viewpoint.
What will be an ideal response?
The average composition of rocks comprising a large composite cone or stratovolcano is similar to a(n) ________ magma
A) rhyolitic B) ultramafic C) andesitic D) basaltic
Plate tectonics is like a "conveyor belt," with new material created at _____, and old material recycled back into the mantle at _____
a. trenches; subduction zones b. mid-ocean ridges; subduction zones c. convergent boundaries; subduction zones d. subduction zones; mid-ocean ridges e. mid-ocean ridges; rift zones