Which statement about the physical change of liquid water boiling into steam is true

The heat added represents an energy change.

Explanation:

Whenever the heat is supplied to the water at normal atmospheric pressure, its molecules gain the thermal energy and their kinetic energy increases, the inter-molecular bonding decreases due to which its molecules leave the surface of water and convert into the vapor form.

a displacement distance is size of displ

3. dark matter

empty space could also be a simple vacuum