1.

Sam was given the following setups to find out oxygen is required for respiration to take place in peas. He chose set ups A and C for his experiment. His teacher told him that he had made the wrong choice because there is no __(experimental set-up/ control set-up) in his choice.

Answer»

Sam was given the following setups to find out oxygen is required for respiration to take place in peas. He chose set ups A and C for his experiment. His teacher told him that he had made the wrong choice because there is no __(experimental set-up/ control set-up) in his choice.



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