As new seafloor moves away from an ocean rodge, does it become less dense? ​

As new seafloor moves away from an ocean ridge, the seafloor cools and becomes less dense than the material beneath it.

Explanation:

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answer; /// during daylight hours the sun heats up the ground,and at night the clouds insulate the warmth making it warmer ;

brave new world, aldous huxley (1932)