Question

d.
What are young and old fold mountains?​

Answer 1

Answer:

Generally, we distinguish two types of mountains, according to their age. Young mountains, created several dozen million years ago, have steep slopes and high-pointed peaks. ... Old mountains, in contrast, have rounded peaks and slopes made gentler by hundreds of millions of years of erosion.

Explanation:

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Answer 2

Answer:

Young mountains, created several dozen million years ago, have steep slopes and high-pointed peaks. ...

Old mountains, in contrast, have rounded peaks and slopes made gentler by hundreds of millions of years of erosion.