The Earth's crust is thinner beneath oceans.
Fact #264
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Some deserts were once oceans.
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The Nile Delta is one of the world's largest river deltas.
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There are abandoned cities hidden around the world that were evacuated suddenly.
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The Earth's crust is thinner beneath oceans.
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The Sahara Desert receives very little annual rainfall.
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The Earth's crust is composed of tectonic plates.
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Russia spans 11 time zones — more than any other country.
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Russia is so large it spans 11 time zones.
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