Answer:
1. True
2. resting position
3. 5 cm
4. Compressions
5. false
6. 7 m
7. true
8. second one has more amplitude
9. True
10. true
Explanation:
You would add water to the mixture to dissolve the salt. When the salt is dissolved, you have your sand alone.
It’s the doubles I think not sure let me know if it’s true
The answer to this is yes they are likely, true.