Question

4.4 Emile did an experiment to compare the rate of respiration in woodlice small crustaceans and maggots the larvae of houseflies). The diagram shows how he set up his experiment. Limewater is a clear liquid. It goes cloudy when carbon dioxide is present. bung test tube gauze platform live woodlice live maggots limewater D C A B [2] [3] a Suggest why Emile used four tubes in his experiment, rather than two. b Describe three variables that Emile needed to keep the same in his experiment. C Emile timed how long it took for the limewater to go cloudy in each tube. These are his results. minutas​

Answer 1

Answer:

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Explanation:

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