How old are the oldest rocks on the ocean floor?
Aless than 200 million years old
Bapproximately one billion years old
Capproximately 500 million years old
Dbetween 200 and 500 million years old
Aless than 200 million years old
Bapproximately one billion years old
Capproximately 500 million years old
Dbetween 200 and 500 million years old