Question

what are mountains ? How do old mountains differ ?​

Answer 1

Explanation:

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Answer 2

Answer:

Young mountains, created several dozen million years ago, have steep slopes and high-pointed peaks. The youngest mountains, also the highest in the world, are within the Himalayas massif in Asia. Old mountains, in contrast, have rounded peaks and slopes made gentler by hundreds of millions of years of erosion.

Explanation:

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