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The natural barrier that protected Egypt in the south is cataracts.
The natural barrier that protected Egypt in the south is cataracts.
The natural barrier that protected Egypt in the south is cataracts.
The Himalayan mountain range forms a natural barrier between China and Mongolia.
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Putting dunes on beaches is a natural barrier against coastal erosion.Having a thick treeline of sturdy trees can serve as a natural barrier against some tsunamis.
A natural trade barrier is something that prevents trade that is not artificially created.
The Great Barrier Reef, off the coast of Queensland, Australia, is completely natural.
The natural barrier between the Iberian Peninsula and France is the Pyrenees mountain range.
Desserts aren't natural.
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