Thermal energy is added to water to raise the temperature to 250F. Which of the following models BEST describes the movement of the particles after the thermal energy is added?

Which best describes the present-day universe? opaque, expanding very slowly, stars produce heavy elements transparent, expanding at an accelerated rate, stars produce heavy elements opaque, expanding at an accelerated rate, stars produce only hydrogen and helium transparent, expanding very slowly, stars produce only hydrogen and helium