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[CHAPTER 10. MARINE COMMUNITIES]   Life in productive tropical reefs is best characterized by ____.

[CHAPTER 10. MARINE COMMUNITIES] A massed group of individual fish of a single species and size class packed closely together and moving as a unit is called a ____.

 What is the pH of a solution with [OH-] = 1 × 10-4 M?

The kinetic energy of a gas sample is directly proportional to the Kelvin temperature of the gas.

Which of the following gives the balanced equation for this reaction?K3PO4 + Ca(NO3)2  Ca3(PO4)2 + KNO3

[CHAPTER 11. USES AND ABUSES OF THE OCEAN] The largest known reservoir of hydrocarbons on Earth is ____.

[CHAPTER 8. COASTS] Deep, narrow bays that are often formed by tectonic forces and later modified by glaciers are called ____.

[CHAPTER 8. COASTS]  Which of the following best describes the foreshore of a beach?

[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 ____.