Answer:
No, they are not. The concept of human races appears to be solidly grounded in present-day biology and our evolutionary history. But if you asked that conference of geneticists to give you a genetic definition of race, they wouldn’t be able to do it. Human races are not natural genetic groups; they are socially constructed categories. Genes certainly reflect geography, but unlike geography, human genetic differences don't fall along obvious natural boundaries that might define races.
Parotid beacuse it include both sublingual and submandible and present near the ear
Chemical composition is always a property of an ore.
Answer:
you can't.
Explanation:
You can observe evidence there may be a God, but there will always be a counter argument showing that God isn't real. Basically God and biology are ideas both of which may be seen as valid. in other words it depends on who you ask
The skull size of each species!
It's the size of the skull specifically the jaw bones, that can help determine relationships of two hominid species.
Hope this helps!