[CHAPTER 11. USES AND ABUSES OF THE OCEAN] What accounts for most of the total value of world trade transported by sea?

[CHAPTER 10. MARINE COMMUNITIES] Why are harmful algal blooms, or HABs, so dangerous?

[CHAPTER 3. THE OCEAN FLOOR]   The deep-ocean basin includes which of the following features?

[CHAPTER 10. MARINE COMMUNITIES] Many populations that interact with one another at a particular location form a ____.

[CHAPTER 10. MARINE COMMUNITIES] An example of a zooplankton that is very important to many pelagic communities is ____.

[CHAPTER 4. WATER AND OCEAN STRUCTURE] Sound can travel for much greater distances through water than light waves can before being absorbed because ____.

[CHAPTER 3. THE OCEAN FLOOR] The submerged outer edge of a continent is called the ____.

[CHAPTER 1. AN OCEAN WORLD] The cousin of which scientist worked out the first rough chart of the Gulf Stream?

[CHAPTER 4. WATER AND OCEAN STRUCTURE] Water behaves like a(n) ____, which prevents broad swings of pH.

[CHAPTER 8. COASTS] The Pacific coast is commonly called a(n) ____.