Salutations!
<span>Which would have a smoother shape, a young mountain plain, or an old mountain plain?
An old mountain plain would have a smoother shape because it has more erosion and less breaks off cliffs.
Hope I helped!</span>
The answer is actually pretty simple
Answer= 7.35 cm
Answer: D
Explanation: The scientific method:
1. ask questions
2. do research
3 construct hypothesis
4 test with experiment
5 analyze results
6 take down data
:) stay vool