PrepTest 121, Section 2, Question 16

AnalogyDifficulty5 of 5
Passage 3Neutrinos as a partial explanation of dark matter
The questionFull text in your LawHub copy of PrepTest 121

According to the theory of gravitation, every particle(447 more words not shown)

As described in the last(22 more words not shown)

Reading the passage

What are the cosmologists doing in the last paragraph? They have part of an answer and hope it will help them build a fuller one. My prediction is a partial contribution that points toward additional contributions, all aimed at the same unsolved problem.

Working the answers

  • A

    The family member points the child to a source of instructions. We don't have that pattern of asking someone who recommends a book; we have one contribution toward a larger solution.

  • B

    This is tempting if we call the skateboard a partial success. But the child changes the goal from buying a bicycle to buying something else. The cosmologists still want to explain the missing mass; they haven't replaced that goal with a cheaper alternative.

  • C

    Learning to appreciate an unexpected gift isn't a search for the remaining pieces of an answer.

  • D
    Correct

    Money from one sibling supplies part of the amount needed, and the child looks to the others for the rest. Neutrinos likewise supply a possible part of the explanation and encourage further investigation of elementary particles. Both involve building toward the same goal rather than declaring the partial contribution sufficient.

  • E

    Completing chores is a requirement before playing. It isn't a partial contribution toward solving a larger problem.

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