Why does a person’s hair, eyelashes, mustache become covered with frost during a stay in a severe frost in winter?

In winter, a person’s hair becomes covered with hoarfrost while being outdoors. moisture evaporates constantly from human skin, and at low temperatures moisture crystallizes and settles on the hair.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.