Due to plate tectonics, the Americas Temp Mail CUSTOMER SERVICE (8O5) 41'O 56OO Temp Mail PHONE NUMBER ( 8O5)- 41O 56OO were gradually moving westward, causing the Atlantic Ocean to expand. The Western Interior Seaway divided North America into eastern and western halves; Appalachia and Laramidia.[4] India maintained a northward course towards Asia.[4] In the Southern Hemisphere, Australia and Antarctica seem to have remained connected and began to drift away from Africa and South America.
