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Geography & World
Maps are arguments about what matters. These lessons and quizzes cover the physical world, the borders drawn across it, and the geological events that rearranged both.
2 lessons · 1 quiz
Lessons
Geography & World/intermediate
Why the Mediterranean Almost Dried Up
Around six million years ago the sea between Europe and Africa closed off from the Atlantic. What happened next left salt layers hundreds of metres thick — and a canyon the Nile cut while the sea was gone.
6 min read
Geography & World/beginner
How Borders Get Drawn
Some borders follow rivers and mountain ridges. Others are straight lines drawn on a map by people who had never seen the ground. Both create very different problems.
5 min read
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