Answer :
Answer: It’s density decreases.
As the temperature of warm water decreases, the water molecules slow down and the density decreases. At 4 °C, the clusters start forming. The molecules are slowing down and coming closer together.
As the temperature of warm water decreases, the water molecules slow down and the density decreases. At 4 °C, the clusters start forming. The molecules are slowing down and coming closer together.