It is zero feet above sea level at the Atlantic Ocean.
Zero feet above sea level.
Sea level at the Atlantic Ocean and 812 feet above sea level at Jerimoth Hill.
Yes, Tuvalu consists of nine small islands whose highest point is about 15 feet above sea level.
Rhode Island's lowest elevation is sea level.
Sea level.
Atolls are low-lying coral islands that are formed from coral reefs growing around the rim of an ancient volcanic island that has sunk below sea level. They are characterized by a central lagoon surrounded by a ring of coral reef and sandbars.
Yes
Pacific low islands are usually coral atolls formed from coral reefs, while high islands are volcanic in origin. High islands tend to be larger and have more elevation and varied topography, resulting in higher rainfall and more diverse ecosystems compared to low islands. Low islands are more vulnerable to sea-level rise and erosion due to their flat and low-lying nature.
It is 812 feet above sea level.
None, otherwise they would not be islands.
One of the definitions of the noun key (keys) is 'a low-lying island or reef, most often used in connection to the Caribbean'.
Jerimoth Hill in Foster Rhode Island at 812 feet above sea level.