There are sedimentary rock layers and possibly carbonate fossils from sea creatures.
There are sedimentary rock layers and possibly carbonate fossils from sea creatures.
Yes.
360 millon kilometers or just 71% and the contents 29% or just 150 million kilometers
The usual term for a coral island is an atoll. Some exist in otherwise deep ocean waters.
wetland
Ice
They send underwater submarines to study the ocean floor.
No, 62% of earth is water and the rest is covered by land
Abyssal plain is a land feature similar to the continental slope, located at the base of the continental rise. It is a flat area of the ocean floor covered with sediment and is considered the most level part of the ocean floor.
A map may be a birds-eye view of the land or ocean covered.
About 33% of the land area of the earth is covered by deserts.
Your question makes no sense, an ocean basin is an OCEAN not land area and therefore including it is impossible.