What is a speaker doing when she uses evidence and examples to support her opinion?

When a speaker is using evidence and examples to support his o her opinion, the speaker is providing support to the statements he or she is making.

Explanation:

Whenever someone is introducing data or opinion in an oral or written speech, he or she will need to support this data or opinion by providing evidence -acquired as a result of a research conducted by himself or herself, or by a third person- and examples. These two elements will prove the credibility of the assertion made.

racism is the belief in the superiority of one race over another, which often results in discrimination and prejudice towards people based on their race or ethnicity. the use of the term "racism" does not easily fall under a single definition.

explanation:

your answer is c) experiments with water vapor showed that elements combine in specific proportions.