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Obtaining Evidence Coursework - Mustard Seed Germination and Photosynthesis Photosynthesis Equation: Carbon dioxide + water glucose + oxygen CO2 + 2H2A + light energy › (CH2) + H2O + A2 The complete, balanced equation for photosynthesis in which water serves as the electron donor is: In photosynthesis, plants take carbon dioxide from the air and water from the soil, and use the energy from sunlight to convert them into food. The first food they make is glucose but that can be later changed into other food types. Oxygen is also produced in photosynthesis and although some is used inside the plant for respiration most is not needed and is given out. The sunlight is absorbed by chlorophyll in mainly the leaves. Aim The experiment I did was done to learn about the effects of light source on germination and photosynthesis. Our Experiment We put a layer of cotton wool inside a Petri dish and used water to make...

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