How to determine the sides of the horizon on a pine trunk?

The north side of the trunk is darker, the south side is lighter. This is due to the fact that on the northern side of the trunk, moisture evaporates more slowly, which causes the pine bark to darken.

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.