Continental Drift: Alfred Wegener (German meteorologist) developed the concept of continental drift in the early 20th Century (although the idea had been around for centuries before-hand) Tasa, Plate Tectonics CD-ROM, Chapt.
(Continental Drift; developed; the concept of continental drift in the early 20th Century) (the idea; had been; around; T:for centuries before-hand)
Continental Drift the idea
developed had been
the concept of continental drift in the early 20th Century
around T:for centuries before-hand