431.
Which ocean is the largest and covers more area than all the landmasses combined?
Explanation:
432.
What is the term for a continuous, slow, deep-water current that flows through the ocean's basins?
Explanation:
433.
What is the process by which ocean water becomes more dense and sinks due to cooling or increased salinity?
Explanation:
434.
Which zone of the ocean is characterized by high biological productivity due to abundant sunlight and shallow waters?
Explanation:
435.
What is the term for a large, circular ocean current that rotates counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere?
Explanation:
436.
Which part of the ocean is the most poorly explored and is characterized by extreme depths, high pressures, and cold temperatures?
Explanation:
437.
What is the term for a large, underwater mountain range that extends through the world's oceans?
Explanation:
438.
Which ocean current flows along the eastern coast of North America and is responsible for the relatively mild climate of Western Europe?
Explanation:
439.
What is the term for the movement of water caused by the gravitational pull of the Moon and the Sun?
Explanation:
440.
Which type of marine ecosystem is characterized by deep-sea hydrothermal vents and unique organisms adapted to extreme conditions?