- A mountain range contains mountains
- A mountain is made of rocks
- Hence, a mountain range contains mountains made of rocks

- A mountain range contains mountains made of rocks
- Sometimes weathering rounds rocks
- Therefore, weathering can round the rocks in the mountain range

So, weathering can round the rocks in the mountain range
[Question]Constructive forces build a new mountain range. How will weathering and erosion change the features of the mountain range over time?
[Context]- A mountain range contains mountains 
- Sometimes weathering rounds rocks 
- A mountain is made of rocks