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Hard Gap

What is the name of the mountain pass in British Columbia used by the Canadian Pacific Railway?

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Hard Gap

What is the energy gap in a Mott insulator called?

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Intermediate Gap

In anatomy, what is the name of the gap in the diaphragm through which the esophagus passes?

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Intermediate Gap

In typography, what is the vertical space between lines of text called?

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Intermediate Gap

What is the name of the prominent unconformity separating Precambrian from Cambrian rocks in the Grand Canyon?

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