[CHAPTER 4. WATER AND OCEAN STRUCTURE] The components of ocean water whose quantities are less than 1 part per million (ppm) are considered ____.

[CHAPTER 3. THE OCEAN FLOOR] A depression along the boundary of a seamount where sediment has built-up is a(n) ____.

[CHAPTER 5. ATMOSPHERIC CIRCULATION] There are ____ major atmospheric circulation cells in each hemisphere of Earth.

[CHAPTER 6. OCEAN CIRCULATION]   The Canary Current is an example of a ____.

[CHAPTER 3. THE OCEAN FLOOR] Neritic sediments are found on the ____.

[CHAPTER 3. THE OCEAN FLOOR] What type of information can scientists derive from observing deep-ocean cores?     

[CHAPTER 3. THE OCEAN FLOOR] Ocean trenches ____.

[CHAPTER 1. AN OCEAN WORLD]  What was the most important outcome of Matthew Maury’s work

[CHAPTER 1. AN OCEAN WORLD] What device bounces sound waves off the ocean bottom to study the depth and contours of the seafloor?

[CHAPTER 1. AN OCEAN WORLD] The primary physical process responsible for the formation of Earth’s layers, the inner and outer core, mantle, and crust is ____.