Identify THREE environmental factors other than light intensity that would affect the rate of bubble production in Elodea. (2) b) What is the function of the syringe and the thermometer? c) i) Describe how the apparatus shown in the diagram can be used to investigate the effect of different concentrations of carbon dioxide on the rate of photosynthesis. ii) Identify TWO precautions which should be taken in setting up and conducting the experiment to ensure that the results obtained are valid measures of the rate of photosynthesis under the given conditions. (2)
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The Sociology Book by Sarah Tomley, Mitchell Hobbs: 9781465436504 | PenguinRandomHouse.com: Books
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b) syringe : To eject liquides from a source
thermometer : to predict temporitures
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