Which statement is supported by the law of conservation of mass? A.
The mass of the products of a chemical reaction are always less than the mass of the reactants.

B.
The mass of the products of a chemical reaction have no relationship to the mass of the reactants.

C.
The mass of the products of a chemical reaction are always greater than the mass of the reactants.

D.
The mass of the products of a chemical reaction are always equal to the mass of the reactants.

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

Displacement is the slope of a velocity vs. time graph a. true b. false

Is this correct if not can u correct me