natalie2sheffield
15.07.2019 •
Biology
Ascientist is testing the effectiveness of drug x on cancer. she gives a small amount of the drug to the mice that have cancer. she gives each mouse a different amount from 1 to 10 grams, and then measures the size of the tumor in each mouse before the drugs and two weeks after the drugs. she gives one of the nice sugar instead of drug x. what is her dependent variable in this experiment? a. the amount of drug x given to the mice. b. the size of the tumor after drug x. c. the mouse that received sugar instead of drug x. d. the size of the tumor before drug x
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Ответ:
The answer is B. A dependent variable is one that varies according to the modulated independent variable. In this case, the independent variable is A -‘The amount of Drug x given to the mice’ since it is the one that is being controlled in the experiment.
Ответ:
10%
Explanation:
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