Joe is a former champion weightlifter and professional bodybuilder. He is preparing an informative speech on the abuse of steroi
ds in physical fitness. Through his personal experiences, what quality does Joe add to the presentation of his speech?a. timelinessb. credibilityc. satisfactiond. diversity
Credibility is the quality that someone has when they can be believed in. In this case, Joe has a lot of credibility in the subject of steroid use because as a professional bodybuilder, he is part of an enviroment in which steroid use is rampant.
Listeners will assume that Joe most likely knows first-hand about what he is talking about, and this will add to his credibility.
It discriminated society into groups of various levels. it changed the equalitarian view of people into a discriminatory sense of judging people around them.
Darwin's greatest contribution to science is that he completed the Copernican Revolution by drawing out for biology the notion of nature as a system of matter in motion governed by natural laws. With Darwin's discovery of natural selection, the origin and adaptations of organisms were brought into the realm of science.
Herbert Spencer is famous for his doctrine of social Darwinism, which asserted that the principles of evolution, including natural selection, apply to human societies, social classes, and individuals as well as to biological species developing over geologic time