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Photosynthesis - Oxygen Production: Light Factor
- 1974 ----- color ----- 4 min ----- 16mm
- Demonstration that oxygen is the gas evolved in photosynthesis and that light is required for oxygen evolution. Gas, evolved in the light by the pond weed, Elodea, is collected and shown to be oxygen. The proportional effect of light intensity on the rate of oxygen evolution is shown.
- Topics: (Botany)
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