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Measuring Photosynthesis with Oxygen
The rate of photosynthesis is affected by different factors.
How could the oxygen produced during photosynthesis be used to measure the rate of photosynthesis?
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Marking points
- 1 Measures oxygen volume or bubble count per stated time interval.
Full-mark answer
Measure the volume of oxygen released in a fixed time, for example in cm³ per minute.
Why this answer loses marks
Measure the oxygen produced.
An oxygen amount alone is not a rate; include volume or bubble count over a time interval.