In natural selection, only the fittest organism are able to survive long enough to reproduce. Therefore, only these organisms pass on their genetic information, as they were "selected" by nature.
B. influenced by social norms.
hope this helps :)
The faith of the iranian origin is the baha'i faith
Had a more moderate, agriculturally productive climate in the past than today, especially in Mesopotamia and the Nile valley
Citation: https://www.britannica.com/place/Fertile-Crescent
