**The option C is correct. **
**The difference between an isthmus and a strait is that an isthmus is a thin strip of land that connects two larger areas of land, and strait is a narrow body of water connecting two larger bodies of water. **
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An isthmus is a narrow strip of land connecting two larger areas of land, whereas a strait is a narrow body of water connecting two larger bodies of water. The correct answer is C. Examples include the Isthmus of Panama and the Strait of Gibraltar.
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