Alfred Wegener and continental drift In The Origin of Continents and Oceans Wegener proposed the theory of continental drift against the prevailing theory that the earth was formed by cooling from a molten state and contractions.
(Alfred Wegener and continental drift In The Origin of Continents and Oceans Wegener; proposed; the theory of continental drift against the prevailing theory that the earth was formed by cooling from a molten state and contractions) (the earth; was formed; by cooling from a molten state and contractions) (the earth; by cooling; )
Alfred Wegener and continental drift In The Origin of Continents and Oceans Wegener the earth the earth
proposed was formed by cooling
the theory of continental drift against the prevailing theory that the earth was formed by cooling from a molten state and contractions
by cooling from a molten state and contractions