The Law of Conservation of energy states what? a. energy can always be created and destroyed
b. energy can be created but not destroyed
c. energy can never be created but can be destroyed
d. energy can never be created or destroyed

Ascientist is explaining how background cosmic radiation gives evidence of the big bang theory. she says that radiation has been detected everywhere equally as heat in the universe and is increasing. this has been shown to be residual radiation from the big bang. what error did the scientist make?