This process is natural selection<span>. The traits that confer an advantage to those individuals who leave more offspring are called </span>adaptations<span>. In order for </span>natural selection<span> to operate on a trait, the trait must possess heritable variation and must confer an advantage in the competition for resources.</span>
Trade across the Sahara became possible and it impacted West African empires by influencing them on a cultural level. The peak of Saharan trade <span>extended from the 8th century until the early 17th century.</span>
Actually, the excuse Moses didn't use is Who are you?
Obviously, Moses didn't ask God who he was because he knew who God was - he had been waiting for him for his entire life. Additionally, he did ask God 'Who am I,' meaning 'Why did you choose me for this task?' He also asked his what he should say because he is not eloquent enough and people won't believe his words.
