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e. Look at the results in the data tables. What should Dory's conclusion be? Controls and Variables Part 2 Nemo and his Reef pals have continued doing a little research to solve some problems. Read the description for each experiment and answer the questions. 1. Kelp-less Breath Mints Mr. Ray created a secret ingredient for a breath mint that he thinks will "cure" the bad breath sea organisms get from eating kelp patties. He asked 100 customers with a history of bad breath to try his new breath mint. He had fifty customers (Group A) eat a breath mint after they finished eating a kelp patty. The other fifty (Group B), also, received a breath mint after they finished the sandwich, however, it was just a regular breath mint and did not have the secret ingredient. Both groups were told that they were getting the breath mint that would cure their bad breath. Two hours after eating the kelp patties, thirty customers in Group A and ten customers in Group B reported having better breath than they normally had after eating kelp patties. a. Which people are in the control group? b. What is the independent variable? customers having bad breath. c. What is the dependent variable? d. What should Mr. Ray's conclusion be? e. Why do you think 10 people in group B reported fresher breath? 2. Clean Team Jacques noticed that his tank mates were not as clean as they used to be. His friend Peach told him that he should try using Clean-O soap, a new brand of soap she found at Whale-Mart. Jacques made sure to clean one tank mate in plain water and another in water with the Clean-O soap. After washing both tank mates a total of three times, the tank mate washed in the Clean-O soap did not appear to be any cleaner than the mate washed in plain water. . What was the problem Jacques wanted to investigate? His tank mates hot cleaning well. b. What is the independent variable? c. What is the dependent variable? d. What should Jacques' conclusion be? e. What could be a source of error in this experiment