Though we often tend to use these two terms synonymously, there is actually bit of a difference between them.
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1. Hills and mountains are landforms classified by elevation.
2. Hills do not have a distinct summit.
3.Mountains usually sit along with other mountains and hills in a form of ranges or mountain ranges.
4. Mountains are steeper and higher than hills.
5. Hills have a height range of 2000 ft. below and mountains have a height range of 2001 ft. and above.