2019 Year 12 IB Extended Essays

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Image 1: Germinated seeds in different concentrations of NaNO 3 and NaCl 9. Measure and record the initial height of the sprouts using a string to follow the irregular shape of the seed and then the marked string will be measured using a ruler 10. The heights of all the sprouts should be measured and recorded every 2 days for the next 20 days.

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