Q21

[kyuya]

(A) repudiating. What does this even mean? It means to refuse to accept something. Can we say that this happens in A? There is no result spoken about at all in A -- a theory is spoken about, but not a experimental result.

(B) Revising a theory is an idea that is talked about in B, not in A. A only talks about a theory insofar as to critique it.

(C) In passage A, line 14 -- we see disproving a theory mentioned. In passage B we follow the natural progression of one theory being disproven and replaced by a superior theory. This is the correct answer!

(D) Planet orbit is mentioned only in B, not A.

(E) This is not spoken about in either, unless I'm missing something in passage A. However, we can be certain this is wrong because it is not illustrated in passage B at all. Matter of fact, it seems to be concerned with theories that are testable by experiments - or the search of the existence of planets. Not experiments necessarily, but the search for facts regarding planets.

[tommywallach]

Thanks so much for all the great posts, Kyuya!

-t