Whitman is saying that the true way to understand nature is not scientific but intuitive and mystical. The poet can feel and understand the processes of nature when he is experiencing them, but listening to people lecture about them merely makes him "tired and sick."
If anything, I would pick B. The reason for this is because viruses invade specific living things, so why isn't every living thing infect with a virus or why do some viruses affect plants but not animals? These questions can be answered using the scientific method but the other answers are subjective. Everyone will have a different opinion on A, C, and D and the scientific method can't be used on them. Hope this helped!
The microphone, /<em>which he chose to use</em>/, did not work well.
Identify the term that best describes the italicized words.
adjectival clause
An adjectival clause is a dependent clause that, like an adjective, modifies a noun or pronoun. In this case, the adjectival clause <u>which he chose to use</u> modifies the noun <em>microphone</em>.
I would say "convince her to tell her parents the truth." That form of peer pressure is indeed a form of positive peer pressure since her friend would be pressuring her to the truth.