In the framework of nonrelativistic quantum mechanics, this is a purely empirical observation.. 
Ìṣẹ̀lẹ̀.. Is usually defined as views, Practices and actions Reflecting the belief that Humanity is Divided into distinct Biological groups called races and that members of a certain race share certain attributes which make that group as a whole less desirable, more desirable, inferior or Superiìtọ́kasí. ikorira ati ẹyaìṣojúṣáájú.. 