[Q]: 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. Would test B increase or decrease the frequency of collisions among molecules than test A?
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[A]: increase

[Q]: Two old friends were both oceanographers. They were both researching the levels of marine pollution in Earth's oceans. Vic studied the Arctic Ocean, while Dan studied the Pacific Ocean. Which friend observed more fertilizers which cause marine pollution ?
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[A]: Dan

[Q]: There was a soccer match between Red team and Blue team. Blue team got there early, warmed up properly and were ready for the game. Red team arrived late and almost skipped warming up entirely. Costly decision, as it turns out, because they lost. Which team had more people with tendon injury?
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[A]: Red

[Q]: Two packs of lions were hunting large herbivores. The Simba pack was ambushing wounded individual prey animals, while the Mobutu pack followed large groups of zebras and other grazers. Which pack was preying more upon herds?
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[A]:
Mobutu