From the table particularly we can prove that A) Law of conservation of mass
| Element | Weight percentage | |
| Natural sample | Synthetic sample | |
| Copper | 51.35 | 51.35 |
| Carbon | 9.74 | 9.74 |
| Oxygen | 38.91 | 38.91 |
From the table particularly we can prove that
A) Law of conservation of mass
B) Law of constant proportions
C) Law of conservation of energy
D) Above all
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