In an investigation measuring the effect of increasing light intensity on the rate of photosynthesis in an aquatic plant, which of the following is the independent variable?

A. Distance between light source and plant

Correct Answer: A. Variables whose variation does not depend on other variables are called independent variables. In this question, light intensity is an independent variable, as the variation in the values of this variable is not dependent on other variables

B. bubbles of oxygen produced per minute

C. temperature of the water

D. concentration of dissolved carbon dioxide

In an investigation measuring the effect of increasing light intensity on the rate of photosynthesis in an aquatic plant, which of the following is the independent variable?

In an investigation measuring the effect of increasing light intensity on the rate of photosynthesis in an aquatic plant, which of the following is the independent variable?

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