Pick from:
(1). Dew
(2). ice
(3). rock
(4). gas
(5). NaCl
(6). Cars
(7). DDT
(8). fats
Q: Fact 1: Melting means changing from a solid into a liquid by adding heat energy. Fact 2: Energy is needed to melt the ice. Given the two facts above, what can change to a solid from a liquid after adding heat energy?
A:
(2).