(Please help ASAP) Which statement best explains the difference between water temperature at the poles and water temperature at the equator?

A. Due to Earth's rotation, gyres near the poles flow clockwise.
B. Deep sea vents pump steam into the conveyor belt near the
equator.
C. The sun's rays strike the water at an angle at the poles.
D. The water is denser and saltier near the equator, so it holds more
heat.

i would say it is

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.

me and my friend did 2