How do ships travel through Pacific ocean and Atlantic when the sea level are not same?

The sea levels are actually almost the same all over the world. The difference in sea level between the Pacific and Atlantic oceans is only about 20 centimeters (8 inches). This difference is so small that it does not affect the ability of ships to travel between the two oceans.

In fact, ships can travel between any two oceans in the world, regardless of the difference in sea level. This is because ships are able to float on water, and they do not need to touch the bottom of the ocean in order to move.

The only time that a difference in sea level can affect a ship is if it is trying to enter or leave a port. If the sea level is too low, the ship may not be able to enter the port. And if the sea level is too high, the ship may not be able to leave the port.

But these are rare occurrences. In general, ships can travel between any two oceans in the world, regardless of the difference in sea level.