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

Question

2 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] · Answer 1 · 2022-09-01T07:49:49+03:00

Minchanka [31]2 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: