Nautical Science Unit Two Chapter Three Extra Credit
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Nautical Science Unit Two Chapter Three Extra Credit

Short Answer

 1. 

What is unique about the cooling and freezing of water?

 2. 

What are the four main elements in seawater?

 3. 

Describe the hydrologic cycle.

 4. 

What is the most common cause of ocean waves?

 5. 

What are the parts of a wave?

 6. 

What is meant by “critical” height of surf?

 7. 

What is the main type of structure built to protect harbors from the sea called?

 8. 

What is a longshore current?

 9. 

What important current in the North Pacific has many similarities with the Gulf Stream in the North Atlantic?

 10. 

When are tides highest and lowest, and what are these tides called?



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