The bottom of the ocean is part of a tectonic plate or continental shelf, or can be on the breach line between two shelves.
latatude
No, they can intersect in line. Consider the floor of a cuboid room and one wall. They meet in a line along the floor. Consider the plane that goes from that line to the line joining the opposite wall to the ceiling - a plane which goes diagonally across the room. The floor, first wall and the diagonal plane will be three points meeting in a line.
line up in the direction of Earth's magnetic field
a compass rose!
because he was the first to sail across the line of demarcation which is an imaginary line that went across the Atlantic ocean from the north pole to the south pole. and he had led a bunch of sailors through it all !
fault line
Australia's longest train line is the Indian Pacific. As its name suggests, it stretches across the continent from Sydney, on the eastern coast (which abuts the Pacific Ocean) to Perth, on the western coast, where the Indian Ocean meets the continent.
Back in the day, sailors would head out on the ships and tie a lead sinker to a line to measure the ocean floor. Hope this helped!! ;)
The meridian 120° west of Greenwich is a line of longitude that extends from the North Pole across the Arctic Ocean, North America, the Pacific Ocean, the Southern Ocean, and Antarctica to the South Pole. Source: Wikipedia
Sometimes.
Pacific Ocean