Question: Rob wanted to learn more about collision theory. For that, he conducted two tests, test A and test B. In test A he used lower concentration of reactants. In test B he used higher concentration of reactants. Now, he needs to know about the science behind these tests. Which test would decrease the frequency of collisions among molecules, test A or test B?
Answer: test A

Question: Tom and John are both pool owners. Tom prefers to use sodium bisulfate in his pool because he enjoys the smell. John, however, prefers using sodium carbonate in his pool because he believes it helps keep pests away. Whose pool will have lower levels of carbon dioxide?
Answer: Tom

Question: Two brothers born three years apart were very different. Jim had no genetic abnormalities, while Danny had Klinefelter's syndrome. Which brother didn't have any interference from the extra copies of the X chromosome in his cells?
Answer:
Jim