carinsmith425 carinsmith425

08-09-2021
Social Studies

contestada

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

Respuesta :

rylantka rylantka

08-09-2021

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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