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In an experiment, disinfected soaked bean seeds were put in a vacuum flask which was then fitted with a thermometer as shown in the diagram below.\
The temperature readings were taken every morning for three consecutive days.
(a) Which process was being investigated?
(b) (i) What were the expected results?
(ii) Account for the answer in (b) (i) above
(c) Why were the seeds disinfected?
(d) Why was a vacuum flask used in the set up?
(e) How would a control for this experiment be set?