About 10% of the water in the world ocean makes up all of the surface currents. most surface currents move water above the the zone of maximum density change per unit depth.

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In atoms, the electron carries a negative elementary or unit charge; the proton carries a positive charge. the two types of charge are equal and opposite. in an atom of matter, an electrical charge occurs whenever the number of protons in the nucleus differs from the number of electrons surrounding that nucleus.

The answer would be d. hope this :

The correct answer is antinodes