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Over the course of American history, political polling has grown more ______?

A: scientific
B: informal
C: partisan
D: infrequent
E: imprecise

Over the course of American history, political polling has grown more ______? A: scientific-example-1
User Vijaykrishnavanshi
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over the course of America history political polling has grown more scientific so The answer is letter A

User Clevertension
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