Is it correct to use "this", or "this," in a paper?

Which passage is the best example of deductive reasoning? a. aaron wants to try something new for lunch. he asks his coworkers what they like and then decides where to eat b. everyone in mr. kim’s class got an a on the test. casey is in mr. kim’s class, so he must have received an a on the test. c. petra sees that all the kids at her school walk home. tomorrow she will tell her mother she doesn’t need a ride home. d. saul is buying a present for his sister. he asks his mother for suggestions and then goes to the mall to find something.

Precarious subsistence voracious abysmal wood is to fire as food is to arrowright grinning is to cheerful as teetering is to arrowright conniving is to scheming as terrible is to arrowright mournful is to sad as gluttonous is to arrowright

What is the meaning of the suffix –logy? some examples include theology, astrology, and biology. a-action or process b-science of, study of c-to make d-relating to