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Question
Assertion [A]: Ocean temperature remains constant beyond the depth of 1000 m.
Reason [R]: Vertical distribution of temperature in the deep ocean is controlled by density driven water movements.
Read the above given statements and select the option that is true.
Assertion [A]: Ocean temperature remains constant beyond the depth of 1000 m.
Reason [R]: Vertical distribution of temperature in the deep ocean is controlled by density driven water movements.
Read the above given statements and select the option that is true.
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Solution
The correct option is A Both A and R are true. R is the correct explanation for A.
Ocean temperature at the surface is determined by a number of factors such as latitude, ocean currents, winds, etc. The heat energy from the sun's rays is transfered from the surface to the lower depths through the process of convection. The penetration of sun's rays in the deep ocean decreases with depth. Beyond the depth of 1000 m, there is no seasonal or geographical variation in ocean temperature. The vertical distribution of temperature in the deep ocean is controlled by density driven water movements. This is because cold water is relatively denser than warm water and thus sinks below in the deep ocean.
Ocean temperature at the surface is determined by a number of factors such as latitude, ocean currents, winds, etc. The heat energy from the sun's rays is transfered from the surface to the lower depths through the process of convection. The penetration of sun's rays in the deep ocean decreases with depth. Beyond the depth of 1000 m, there is no seasonal or geographical variation in ocean temperature. The vertical distribution of temperature in the deep ocean is controlled by density driven water movements. This is because cold water is relatively denser than warm water and thus sinks below in the deep ocean.
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