November 12, 2012
Have There Always Been Continents?
Life's Little Mysteries, Life's Little Mysteries
They didn't always look the way they do today, but yes, there have always been continents on Earth.
The familiar configuration of the seven official continents spread out over Earth today has undergone many permutations during the planet's 4.5 billion year history.
TAGGED: Supercontinents, Continents