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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?

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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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?

asked
User Ebrahim Poursadeqi
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7.4k points

1 Answer

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B.The treated couch

answered
User Vittore Gravano
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