The model below represents water.
X
Y
Z
Based on the labels, what is the best description of this model?
OA. X and Y represent molecules; Z represents an atom of water
OB. X and Y represent atoms; Z represents a molecule of water
OC. X represents an atom; Y represents a molecule; Z represents a particle of water
OD. X represents a molecule; Y represents a particle; Z represents an atom of water