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[CHAPTER 4. WATER AND OCEAN STRUCTURE] The ocean appears to be in ____ because the proportion and amounts of its dissolved salts per unit volume are nearly constant.

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

[CHAPTER 2. PLATE TECTONICS] Tiny particles of iron-bearing magnetic minerals, such as ______, act as a compass needle at mid-ocean ridges when magma erupts and cools recording Earth’s magnetic field.

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

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

[CHAPTER 9. LIFE IN THE OCEAN]   An organism’s metabolic rate increases as ____ increases.

[CHAPTER 8. COASTS] A sand spit forms when ____.

[CHAPTER 9. LIFE IN THE OCEAN] Why is the pH of ocean water more acidic in deep water?

[CHAPTER 5. ATMOSPHERIC CIRCULATION]   Which statement is true with regards to sea breezes?

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