The Theory being discussed was "The Conrtaction Theory".
around world war one
the contractions
the contractions
I got my answer from http://www.ucmp.berkeley.edu/geology/techist.html The theory being discussed was "The Contraction" theory.The meaning is on website above.
Alfred Wegener was a meteorologist who introduced the theory of continental drift.
Alfred Wegener wrote a book entitled THERMODYNAMIK DER ATMOSPHARE in which he introduced his theory of Continental Drift in 1911.
Alfred Wegener
Wegener
Alfred Wegener's hypothesis of continental drift not taken seriously
the "continental drift" hypothesiswas proposed by a German meteorologist named Alfred Wegener in 1910
Wegener proposed the theory of Pangea (the supercontinent) and continental drift. Continental drift is what split Pangea apart.
Alfred Wegener Proved The theory of Continental Drift.