The diagram shows a boiling tube filled with water. There is an ice cube wrapped with wire gauze at the bottom of the tube, and the water at the top of the tube is heated as shown. When water at the top of the tube is boiling, the ice cube remains frozen.
What can you infer from this experiment ?
(A) Heat gain causes matter to expand
(B) Heat loss causes matter to contract
(C) Ice cubes melt at 0°C
(D) Water is a poor conductor of heat
can you pease explain thi question?