1. 3 significant figures
2. 5 significant figures
3. 3 significant figures
4. 4 significant figures
5. 5 significant figures
6. 2 significant figures
7. 4 significant figures
8. 1 significant figure
9. 4 significant figures
It is a devoid of matter and gaseous pressure and atmospheric pressure.
Answer:
Physical Change: Melting Ice
Chemical Change: Burning Wood
Explanation:
hope this helps <3
I’m not sure about the rest but 4 is families
A physical change, ie tearing a piece of paper in half.