Fact 1: Condensing means changing from a gas into a liquid by reducing heat energy. Fact 2: Heat energy is measured in calories. Given the two facts above, calories measure the energy that leaves a gas to form what?
OPTIONS:
(A). nutrients;
(B). burning;
(C). warmth;
(D). H20;
(E). ligt;
(F). liquid;
(G). store;
(H). movement;
(F).