HELP HELP easy multiple choice

B. Dependent Variable

Explanation:

The dependent variable is the variable that changes in response to changes to the independent variable. Say I was doing an experiment with paper boats, and I wanted to see if the thickness of paper affects how many pennies the boats can hold while floating in water. The independent variable would be the factor that I am directly changing. In this case, I would be directly changing the thickness of the paper, so the paper's thickness is the independent variable. The dependent variable is the variable that changes in response to the independent variable. In this case, the dependent variable is the number of pennies that each boat can hold. I'm not directly changing that number, it's changing in response to the thickness of the paper I'm using. In the situation that you gave, the independent variable is whether or not Tammy used fertilizer on her plants, as she directly affected that, and the dependent variable is the plant height, as that number is changing in response to whether or not Tammy put fertilizer in the plants. Hope this helps!

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light dependent reactions:

light independent reactions:

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