Where would hurricanes form? A. 64. over polar oceans B. over lakes and riverns

Question

Where would hurricanes form? A. 64. over polar oceans B. over lakes and riverns C. over warm ocean water Which of the following causes corals to lose their color? A. B. C. 65. Over-eating The color of the reef leaks out into the water The loss of their zooxanthellae 66 A single coral organism is called a(n) A. atoll ?.reef C. polbyp Which of the following is responsible for causing a global change in sea level? A. B. 67. _ A melting glacier A change in an ocean basin Increasing ocean temperatures C. D. All of the above can cause changes in sea level Which of the following describes the shells of a hermit crab? A. 68. The shell is not attached to a hermit crab. B. Hermit crabs need a shell for protection. Hermit crabs secrete a shell, and exchange them with snails as they grow. C. D. a and c only Which of the following processes shapes coastal landscapes? A. B. 69. Changes in sea level wave erosion and deposition of sediments C. Coral reef and mangrove formation D. All of the above shape coastal landscapes 70, which of the following approaches is used to prevent flooding of low-lying areas? A. Sea wall and jetties (rock groynes) B. Allowing some areas to flood to form protective marshes C. Building dams and tidal barriers D. All of the above are correct ?? 71. What is the part of flash floods which cause damage? A. loss of electric power B. power of moving water C. fires ignited 10

Explanation / Answer

64) The correct option is C. over warm ocean water.

Hurricanes are form near the equator over warm ocean waters.

65) The correct option is C. The loss of their zooxanthellae.

Corals lose their zooxanthellae at high temperatures, which causes corals to lose their color and their main source of food.

66) The correct option is C. Polyp.

Corals are invertebrate animals that belong to a large group of colorful and fascinating animals known as Cnidaria. Each individual coral organism is known as a polyp.

67) The correct option is D. All of the above can cause changes in sea level.

Melting glacier, increasing temperatures of ocean and change in an ocean basin all are responsible for a global change in sea level.

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