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4 terms

7th Grade Science Ch. 5/1

STUDY
PLAY
continental drift
the hypothesis that the continents slowly move across Earth's surface
Pangaea
The name of the single landmass that began to break apart 200 million years ago and gave rise to today's continents.
fossil
the preserved remains or traces of an organism that lived in the past
Wegener's hypothesis
all the continents were once joined together in a single landmass and have since drifted apart