Question

Which of the following statements about energy in systems is true?

when energy is transferred or transformed within a system, some matter must be changed into energy so that the total amount of energy remains constant.

the total amount of energy in a system must be equal to the total amount of matter in that system.

energy can be transferred or transformed inside or outside of a system, but energy cannot be destroyed?

Answer 1

option number three is correct energy can be transformed and moved and released but it can't be destroyed and doesn't disappear.