Answer:
The Pacific Ocean, the body of salt water extending from the Antarctic region in the south to the Arctic in the north and lying between the continents of Asia and Australia on the west and North and South America on the east.
TheAtlantic Ocean, the body of salt water covering approximately one-fifth of Earth's surface and separating the continents of Europe and Africa to the east from those of North and South America to the west.
D. An X-Y coordinate system, with the origin at 0° latitude and 0° longitude
