All of the electromagnetic radiation from the sun
is produced by nuclear fusion in its core.
From north to south...
Maine, New Hampshire, Massachusetts, Connecticut, Philadelphia, Rhode Island, New York, Delaware, Maryland, Virginia, North & South Carolina, Georgia, and Florida all border the east coast.
Australia and Antarctica are the two countinent completely surrounded by water.
The Arkansas River is considered a tributary of the Mississippi River because I believe it is because the Arkansas River flows into the Mississippi which then flows into the sea.
The 5 famous mountain ranges in South America include The Andes, The Sierra Nevada de Santa Marta, Sierra de Cordoba, The Wilhelmina Mountains, and The Mantiqueria Mountains.