State the law of conservationof energy

In physics and chemistry, the law of conservation of energy states that the total energy of an isolated system remains constant.

The law of conservation of energy is a law that states that energy can neither be created nor destroyed it can only change forms

answer; taking up arms to defend the nation;

increases in demand are shown by a shift to the right in the demand curve. this could be caused by a number of factors, including a rise in income, a rise in the price of a substitute or a fall in the price of a complement.

which the answer is:

b