The modern atomic theory states that all matter is made out of atoms and that they cannot be destroyed or created out of nothing. They can't be changed, but they can be combined with other atoms and create new compounds.
The correct answer would be A. The agent of metamorphism that would cause for the overall composition of a rock to change would be hydrothermal solutions. These solutions contain mineral substances that are dissolved in the hot water. When in contact with a rock, the minerals may change the composition of the rock.
Explanation:
Kingdom 4 because it consists all features of plantar.