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(a) The higher the temperature, the greater the rate of photosynthesis.

(b) Put the lamp at a certain distance (use a ruler to measure) from the experiment and count the number of bubbles produced by the water plant in one minute.Next, put the lamp closer or further to the experiment and repeat the process again.Record your observations down.

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(a) Higher the temperature, more is the rate of photosynthesis

(b) Meifen can use the same setup to study the effect of light on the rate of photosynthesis, by changing the distance between the plant and the lamp. Then, for each position of the lamp, she must record the number of bubbles produced.  When carrying the experiment, she must maintain the same temperature throughout the test. 

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