Answer:
D
Explanation:
D) Volume mass and density
volume mass and density do not change because when the necklace is melted down it doesn't change the amount or density of the necklace.
1st to 3rd one
2nd to the first one
3rd to the 2ndone
4th to the 7th one
5th to the sixth one
6th to the 5th one
7th to the 4th one
The first Bubble.
I don't know it can some one help me please