Astronomer: observations of the shoemaker-Levi comet on its collision course with Jupiter show that the comet broke into fragments before entering Jupiter’s atmosphere in1994, but they did not show how big those fragments were. In hopes of gaining some indication of the fragment’s size, astronomers studied spectrographic analyses of Jupiter’s outer atmosphere. These analyses revealed unprecedented traces of sulfur after the fragments’ entry. The fragments themselves almost certainly contained no sulfur, but many astronomers believe that the cloud layer below Jupiter’s outer atmosphere does contain sulfur. Since sulfur would have seeped into the outer spaces if comet fragments had penetrated this cloud layer, it is likely that some of the fragments were at least large enough to have passed through Jupiter’s outer atmosphere without being burned up.
A. The first presents a circumstance for which the astronomer offers an explanation; the second is part of that explanation.
B. The first acknowledges a consideration that weighs against the conclusion of the argument; the second is that conclusion.
C. The first acknowledges a consideration that weighs against the conclusion of the argument; the second provides evidence in support of that conclusion.
D. The first provides evidences in support of the conclusion of the argument; the second is that conclusion.
E. The first is a judgment advanced in support of the conclusion of the argument; the second is that conclusion.
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I think E is the best. This is obvious that 1 was presumed to draw a conclusion in 2.
D.
the first sentence is not a judgement, but rather a sort of evidence.
my two cents.
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