1.3.2 Test (CST): Introduction to Biology
Question 3 of 25

You are investigating how salt affects the growth of mold on food. Using slices of bread as the food, you create experimental groups treated with 0 mg, 10 mg, or 50 mg of salt. Each day you make observations and record whether any of the groups are showing signs of mold growth.

What is the independent variable in this experiment?



Answer :

Final answer:

The independent variable in the experiment is the amount of salt applied to the bread slices.


Explanation:

The independent variable in this experiment is the amount of salt applied to the slices of bread (0 mg, 10 mg, or 50 mg).


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