EARTH SCIENCE
OCEANS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Warm water is dense and will sink. Asthe water cools down, it becomes lessdense and will rise to the surface.
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Cold water is dense and will sink. As thewater warms up, it becomes less denseand will rise to the surface.
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Either A or B
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None of the above
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Detailed explanation-1: -Answer. In the Tropics, water warms and becomes less dense, so it rises toward the surface. In the Arctic, water cools and becomes more dense, so it sinks toward the depths.
Detailed explanation-2: -Warming temperatures result in weakened currents. If the water at the poles is not as cold and dense, it simply won’t be able to circulate as well. Additionally, the melting of the Greenland continental ice sheet is pouring freshwater into the salty ocean, again altering the density of the water masses.
Detailed explanation-3: -As the seawater gets saltier, its density increases, and it starts to sink. Surface water is pulled in to replace the sinking water, which in turn eventually becomes cold and salty enough to sink. This initiates the deep-ocean currents driving the global conveyer belt.
Detailed explanation-4: -Cold, salty water is dense and sinks to the bottom of the ocean while warm water is less dense and remains on the surface. Cold water has a higher density than warm water.
Detailed explanation-5: -The effects of ocean currents on climate are, The warm and cold ocean currents affect the climate of the adjoining land. They have an impact on the climate of the surrounding land. Warm currents raise the temperature of the areas adjacent to them, while colder currents lower the temperature of the adjacent area.