<span>The term a priori, meaning from the earlier, comes from Immanuel Kant. This concept is most commonly used in philosophy and is popularized by Kant's publication Critique of Pure Reason. Most people use a priori in conjunction with the idea of knowledge (e.g. a priori knowledge).</span>
In think number (4 )Natural selection is the oldest form of genetic engineering.
The Bantu returned to their first homeland.
I believe the answer is: d. transient aspects of the personality.
Transient aspect of the Personality refers to the aspect that easily pass by and replaced with new one within short period of time. 'States' could easily change from one thing to another depending on the event that occurs in human life, whether it's relationship with others, rewards on our job, etc.