Answer:
Approximately five percent of the ocean has been discovered, which leaves 95 of the ocean unexplored. Depending on who you ask, there exists not one—but two—final frontiers of discovery.
Don’t listen to that link it’s a virus
This is all i know about caves: Caves are large, natural holes beneath the surface of the earth. Underground passages and caves are found in rocky landscapes across the world. They are found in areas with a lot of limestone, a common type of rock. They can be created in various ways, but most caves are hollowed out of rock by water.
