<span>Economics aspects are about incentives. Motivations change the conduct of individuals and subsequently influences the request and it influences either the consumers or the producers. They are both a factor that impact demand. Therefore the answer is C, consumers or producers.</span><span />
The profile represents only some aspects of a individual <span />
Even though the human race is essentially the same as we are all humans, different people have different biological races. There are many types of human races and each race depends on the backgrounds of the parents, where they live in the world and their ethnicity. So, <span>"biological race" is an evolutionarily valuable way to describe human variation. </span>