If you press a sheet of paper against a wall and rub it with a brush, it will stick to the wall. Explain this phenomenon

When a sheet of paper is rubbed with a brush or rag, the sheet is electrified and attracted to the neutral wall, in which the wall molecules are polarized.

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.