Biology, 25.02.2020 02:03 icantspeakengles

The process by which surface waters that are swept from the coast and are replaced by cool, nutrient-rich water from great depths is known as.

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Answer from: coolman5999alt

The correct answer is: Upwelling.

Explanation:

Upwelling is a geographical phenomenon that happens in the oceans.The water in ocean depths are rich in nutrients These nutrients are obtained from the minerals present in the ocean bed.The water to the surface of the oceans are nutrient deficient and warm. This is because sunlight warms up the water and the aquatic animals like fishes, sea-birds, zoo-planktons use up the nutrients for their metabolism and energy.By the phenomenon of upwelling, the nutrient rich and cold water from ocean depths flow to the surface of the ocean and the nutrient deficient and warm water flow back to the ocean depth.This is caused by the winds and ocean currents.Due to increase in the nutrient concentration in the surface water, large number of organisms are able grow here thereby making the surface water a high productivity or high biodiversity zone.

Answer from: Quest

Schist. hope it

Answer from: Quest

c. earths continental crust is thicker than its lithosphere.

because, the lithosphere is the outermost layer of the earth/ 100 km thick and is defined by its machanical properties.the lithosphere contains oceanic and continental crust that varies in age and thickness across locations and geologic time. the lithosphere is the coolest layer of the earth in terms of temperature. the term lithosphere should not be confused with the use of "geosphere" which is used to indicate all of earth systems, including the atmosphere, hydrosphere and biosphere. the surface of the earth can be divided into the continental crust and the oceanic crust. the continental crust is made mostly of granite while the oceanic crust is made of basalt. the average thickness of the continental crust is 25 miles and the average thickness of the oceanic crust is 5 miles. three types of rock, igneous, sedimentary, and metamorphic, make up the surface of the earth. that's why 3 option is preferable.

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The process by which surface waters that are swept from the coast and are replaced by cool, nutrient...

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