Your teacher sets two cups on a bench at the front of the class. One contains water dyed blue and the other clear water. The teacher says one cup is very salty water while the other is fresh water. You must figure out which is which. How would you do this?

Which statements best describe energy? check all that apply. the total amount of energy in the universe remains constant. the total amount of energy in the universe changes constantly. energy cannot be converted from one form to another. energy can be converted from one form to another. energy cannot be created or destroyed. energy can be created or destroyed.