A new chemical to make fabric waterproof is tested. One fabric couch is treated with the chemical and another identical couch is not. Which is the experimental group?

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asked Jul 17, 2018 16.4k views

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A new chemical to make fabric waterproof is tested. One fabric couch is treated with the chemical and another identical couch is not. Which is the experimental group?

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Ebrahim Poursadeqi asked

by Ebrahim Poursadeqi

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B.The treated couch

Vittore Gravano answered Jul 22, 2018

by Vittore Gravano

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