Which scientific law describes the observation that energy cannot be created or destroyed? Group of answer choices

Law of conservation of energy

Newton's first law of motion

Newton's third law of motion

Law of universal gravitation

The answer is, The Law of conservation of energy

Reason : Energy can neither be created nor destroyed - only converted from one form on energy to another.

You can still be friends with each other. you don't have to date since he likes someone else. just stick to being friends for now

The independent variable is the type of music.the dependent variable is the pulse rate.the intervening variable is the age of the subject.if the mother does not like rock, her pulse is likely to not increase.the same might be true for the sister.the friend may like rap and gets excited.to establish cause/effect relationship, all of the subjects must be consistent.hope i .