Sentence Correction (SC) | Scientists have recently found evidence that black holesregions of sp

Evidence is singular, always.

Are you thinking about the word for evidence in some other language? Asking because there ARE lots of languages in which some or all of the words for various classes of information/facts—e.g., the words for information, evidence, knowledge, counsel,advice , and so on—are plural.
English, however, is not one of these languages. Look at the wordevidence —there's
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