Answer:
I believe your answer is B
Tour you’ve is no a animal so what you mean I don’t know what a tourtis is ?
Answer:
This law states that, despite chemical reactions or physical transformations, mass is conserved — that is, it cannot be created or destroyed — within an isolated system. In other words, in a chemical reaction, the mass of the products will always be equal to the mass of the reactants.
hope this helps :)
Blood type because looking at someone, you cannot determine their blood type.
