Describe the mechanisms underlying the formation of human races.

This is a multi-thousand-year process.
For example, why are Asians narrow-eyed? Living in the desert, they are forced to squint against the wind and sand.
Blacks have a hot climate, which led to tanning of the skin.
Europeans have a cool and cold climate.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.