Answer:
The law of conservation of matter states that the matter can be neither created nor destroyed.
Step-by-step explanation:
Your friend shows you the following chemical equation CACO3CAO plus CO2 he says that because the oxygen atoms are split between two different molecules in the products the equation does not support the law of conservation of matter is your friend write explain your answer draw a model showing the number of each type of atom in the reactants and products use your model explain your answer.