The length of the parallels and meridians and the length of their segments can be measured not only in kilometers, but also in degrees, because

The length of the parallels and meridians and the length of their segments can be measured not only in kilometers, but also in degrees, because the meridians and parallel circles

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.