A group of scientists studying evidence preserved in cave formations have found that global sea levels were as much as 52 feet higher more than 3 million years ago than they are today.
A group of scientists studying evidence preserved in cave formations have found that global sea levels were as much as 52 feet higher more than 3 million years ago than they are today.
A group of scientists studying evidence preserved in cave formations have found that global sea levels were as much as 52 feet higher more than 3 million years ago than they are today.