Expressions that mean duh

[Patti Kurtz]

Not exactly a dialect question, but a language one.  I'm trying to come
up with some different expressions that we use to mean "well, duh"-- in
response to a question whose answer is obvious-- for example "Does the
sun rise in the east?"  (these are for a novel I'm working on)

Is there a name for those?  And can you folks cite some examples?

Thanks.

Patti Kurtz
Minot State University

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