GMAT Reading Comprehension (RC) | Re: GMAT Prep RC: Although many lines of evidence indicate

There was an objection raised by the scientists that there was no record of fossil (theropods) found about 150 M years ago.
But since in new investigations fossils(theropods) were found that dated back 150 M years, the scientists claim was refuted.

On this note, author argues that "Even if there was no fossil found, which dated back 150M years, scientists cannot completely override any future possibility on finding one"
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