Students investigate how soil pH affects the height of tomato plants. Each of six tomato plants receives the same amount of light each day and is planted in the same size pot and given the same amount of water. Each plant is planted in soil with a

different pH What is the dependent variable in the investigation?

Сь

Ос

Od

The size of the pot in which the plants are grown

The pH of the soil in which the plants are grown

The amount of water given to the tomato plants

The height to which to tomato plants grow

The height to which to tomato plants grow

Explanation:

In an experiment, the dependent variable is the variable that the experimenter measures. It is the variable that responds to changes made to the independent/manipulable variable.

According to this question, students investigate how soil pH affects the height of tomato plants. The different pH each plant receives is the independent variable while the HEIGHT OF THE PLANTS that responds to the soil pH or that is measured by the students is the DEPENDENT VARIABLE.

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