PrepTest 128, Section 1, Question 23
One of the foundations of scientific research is(458 more words not shown)
The discussion of the chaos(16 more words not shown)
- Aemphasize the extraordinarily(11 more words not shown)
- Bemphasize the unusual(10 more words not shown)
- Cemphasize the large(10 more words not shown)
- Demphasize the degree(7 more words not shown)
- Eemphasize the number(9 more words not shown)
Reading the passage
Why bring up chaos right after describing the model? To show that the model is unpredictable in a different, more extensive way. Under chaos, we could still predict the general destination. In this model, we can't even do that.
What we’re looking for
Keep that contrast in mind as we read the choices.
Working the answers
- A
The earlier description of notches and zigzags establishes the many physical irregularities. The chaos comparison isn't counting those irregularities.
- B
We're comparing what can be predicted, not identifying unusual kinds of physical irregularities.
- C
This switches the focus to how much of a water basin is unpredictable. The local discussion uses chaos to clarify the uncertainty in Sommerer and Ott's model.
- DCorrect
The comparison emphasizes just how unpredictable the model is. Chaos leaves us with a general destination; the model removes even that remaining certainty. That is the degree of unpredictability the comparison helps us understand.
- E
Fractal properties matter to the explanation, but their number isn't what the contrast with chaos establishes.
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