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ludmilkaskok [199]
3 years ago
8

Alex wanted to find out what toothpaste made teeth the cleanest. Everyday she brushed her teeth with a different product and the

n took a plaque test to see how much plaque was left. She used Crest, Colgate, Close-up, and water.what is the independent variablewhat is the dependent variablewhat is the control variable
Social Studies
1 answer:
Minchanka [31]3 years ago
8 0

Answer:

Independent: toothpaste brand

Dependent: amount of plaque left

Control: Water

Constants: amount of toothpaste, kind of toothbrush, how long the toothbrushing took.

Explanation:

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