When researching and you are not sure if a pice of information is common knowledge or not you should a. not include it in your paper b. take a survey of 5 or more people and ask them c. cite it d. use the information and don’t worry about citing it

be distracted

explanation: good choice

quite an interesting way to teach topic sentences, because the answer to this question is the best definition of a topic sentence that one can present, it is as if answering the questions taught you how to do it, this is some real teaching, it is terribly well-done.

the topic sentence in this paragraph is:

topic sentences writers stay on track and keep a paragraph from becoming an aimless collection of sentences about an idea.

which incidentally tells you what a topic sentence should be.