The Ocean Realm: Life, Currents, and Mysteries

61.Which ocean, is well-known/famous ,for its extensive system of underwater mountain ranges, including the Mid-Atlantic Ridge,?

Ans. “Atlantic Ocean”..

62.What is, the term, for the phenomenon, where warm surface water, moves away, from the coast, causing cooler nutrient-rich water, to rise to the surface, supporting marine life,?

Ans. “Coastal upwelling”..

63.Which ocean, is home to the largest/biggest population of marine mammals, including seals, sea lions, and walruses,?

Ans.  “Arctic Ocean”..

64.What is, the name, of the ocean current, that flows eastward across the equator, in the Pacific Ocean, influencing weather patterns, in South America,?

Ans. “Equatorial Counter Current”..

65.Which ocean, is bordered, by the Sargasso Sea, well-known/famous ,for its dense floating mats of seaweed,?

Ans. “Atlantic Ocean”..

66.What is, the term, for the area ,where two tectonic plates, slide past each other horizontally, often causing earthquakes,?

Ans.“Transform boundary”..

67.Which ocean, is well-known/famous ,for its strong tidal currents, including the Bay of Fundy, which has the highest tides, in the world,?

Ans. “Atlantic Ocean”..

68.What is, the name, of the ocean current ,that flows southward, along the eastern coast of North America, bringing warm water, from the tropics,?

Ans. “Gulf Stream”..

69.Which ocean, is well-known/famous ,for its numerous deep-sea trenches, including the Puerto Rico Trench, and the Tonga Trench,?

Ans.  “Pacific Ocean”..

 

70.What is, the term, for the area, where freshwater, from a river mixes, with saltwater ,from the ocean,?

Ans. “Brackish water ecosystem”..

71.Which ocean, is home to the largest/biggest migration of animals ,on Earth, the annual migration of Antarctic krill,?

Ans. “Southern Ocean”..

72.What is, the name, of the ocean current, that flows southward along the western coast of Australia, bringing warm water, from the tropics,?

Ans. “Leeuwin Current”..

73.Which ocean, is well-known/famous ,for its extensive network, of underwater volcanoes ,and hydrothermal vents, supporting unique ecosystems,?

Ans. “Pacific Ocean”..

74.What is, the term, for the process, by which dissolved oxygen levels, in the ocean decrease, often leading to hypoxic (low oxygen) conditions,?

Ans. “Ocean deoxygenation”..

75.Which ocean, is bordered, by the Bering Strait, connecting it to the Arctic Ocean,?

Ans. “Pacific Ocean”..

76.What is, the name, of the ocean current, that flows southward ,along the eastern coast of North America, bringing cold water, from the Arctic,?

Ans. “Labrador Current”..

77.Which ocean, is home, to the longest mountain range, on the Earth, the Mid-Atlantic Ridge,?

Ans. “Atlantic Ocean”..

78.What is, the term ,for the area, where two oceanic plates converge, with one plate sliding beneath the other, often resulting, in the formation of deep ocean trenches,?

Ans.  “Subduction zone”..

79.Which ocean, is well-known/famous, for its high biodiversity, and is often referred, to as the (cradle of evolution), due to its role, in the evolution ,of marine species,?

Ans. “Indian Ocean”..

80.What is, the name, of the ocean current, that flows northward, along the western coast of North America, bringing cold water, from the north,?

Ans. “California Current”..