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1.  What is Upwelling?

2.  Why is there little sea life out past the continental shelf?

3.  What underwater exploration invention was developed by Auguste Piccard in 1948 and what does it do?

4.  Why are high amounts of organic sewage bad for the ecology of enclosed water areas?   

5.  Why is the luminosity of seawater more than just an interesting natural wonder for naval ships and submarines?

6.  What are  four natural sources of luminescence?

7.  What causes the Black Sea to contain no life below 200 feet?

8.  Why are reptiles usually found only in warm, tropical seas?

9.  What has been the primary reason for the decline in Polar Bear numbers?

10.  What are  the four types of marine reptiles?