Which of the following is not a way that a dialect varies from the standard language?
a.) vocabulary
b.) community
c.) pronunciations
d.) idioms

B.) Community

Explanation:

Community is not a language category. People belonging to the same community may use the same dialect. So, this will  group people sharing the same vocabulary, pronunciation and idioms. The dialect of this community will differ from the stadard language in matters of language issues such as the ones mentioned before. (See italics).

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