BI-823
Factors affecting photosynthesis
Biology · Secondary 3 · Medium · Factors affecting photosynthesis
A student investigates how light intensity affects the rate of photosynthesis in an aquatic plant. She counts the number of oxygen bubbles released per minute at different distances from a lamp. Which variable is the **independent variable** in this experiment?
- Number of oxygen bubbles released per minute
- Temperature of the water
- Light intensity (distance of plant from lamp)
- Type of aquatic plant used
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