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Chemistry, 20.09.2020 19:01 sierralynnbaldp16d4b
Which source is most likely an authority on the subject?
Dr. Vale, a pediatrician, discusses electrical circuitry on her home-improvement website.
Jonah, an amateur cook, teaches his son how to make the best grilled cheese sandwiches.
Susan, an architect, presents her hand-made quilts at the Quilting Society.
Dr. Patel, a cardiologist, presents her findings on heart disease.
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Which source is most likely an authority on the subject?
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