1.3 Oceans and Seas

All the oceans, which are interconnected to encircle the world

Water that has a very low concentration of salts; it is used for drinking water

a pair of numbers used to identify a point

the distance from the equator to the North Pole or South Pole,on a scale where 0 degrees is at the equator and 90 degrees is at the pole.

A line from the North Pole to the South Pole through the Royal Observatory in Greenwich England

the distance east or west from the Prime Meridian on a scale where 0 degrees is at the Prime Meridian and 180 degrees is on the opposite side of the Earth from the Prime Meridian

the area north of the Arctic Circle or South of the Antarctic Circle

the area between the Tropic of Cancer and the Arctic Circle, and the area between the Tropic of Capricorn and the Antarctic Circle

the wearing away of rock along the coastline

the study of the physical features of the surface of the Earth and their relation to its geological structures and processes

the steeper slope from the continental shelf to near the abyssal

the generally flat ocean floor usually at depths of 3000-6000 m