All harbors are Coastlines, but not all coastlines are harbors. A coast is the place where the sea meets the shore (land). A harbor is where this is done in a sheltered place.
The northern coast is colder than southern coast.
Mississippi Harbor
Location.
The east coast is on the east and the west coast is on the west.
Location location location
The East coast is 4 hours ahead of Alaska.
A harbor or bay is by definition on the coast.
If you're in an airplane, it's because of prevailing winds.
California and Washington are both in the Pacific Time zone, so there is NO difference.
Sea lions have external ears and seals do not.
Because it is so big! There is 2 hours difference from Greenwich Mean Time between the east coast and the west coast. For reference, there is only 3 hours difference between the east and west coast of the USA.
Pearl Harbor the U.S. Navy was the intended target. 911 U.S. civilians were the intended target.