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Section 3 (A) Notes
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A scientist noticed that at one time the continents looked as if they could fit together in a single landmass called Pangea.
When continents merged their edges crumbled and formed mountains.
Scientists discovered that in oceans there were valley-like things called trenches and mountains called ridges.
Almost all earthquakes occur around the plate boundaries.
Vocabulary Words
Pangea - when the continents were merged together. This was called Pangea.
Continental drift - this is a theory that the continents have moved apart from each other.
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- Grade 7 Science Note on Section 3 (A) Notes, created by Oluwaseun Oyedele on 07/04/2020.
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- Oluwaseun Oyedele
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