Weather forecast is of great concern to everyone. The picture below shows CCTV’s weather forecast for a certain day. Which of the following statements is wrong ( ) A. In the picture

A. Clouds are water vapor, which is gaseous water. Rain is liquid water. Fog is formed by the liquefaction of water vapor and is in a liquid state. Therefore, clouds, rain and fog are just two states of water, so it is wrong. ;

B. The three-state change of water is that the distance between molecules changes, and the size of the molecules remains unchanged, so it is wrong;

C. The essence of the changes in clouds, rain, and fog is water The distance between molecules changes, correct;

D. The lower the temperature, the slower the movement of water molecules and the smaller the distance, correct;

So choose AB.