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In a magazine advertisement, a manufacturer claims its laundry ball, which contains ceramic pellets, gets clothes clean by changing the pH of the water. The ad claims the product reduces wear on clothing, contaminants in the environment, and the cost of doing laundry. What should the advertisement include to give a consumer more confidence in this product's claims

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Answer:

A

Step-by-step explanation:

User Glenn Parale
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1 vote

Answer:

Information about a product testing in a study that includes a control group

Step-by-step explanation:

User Steve McLeod
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