Q: Research team Alpha learned about early human activities, from 200000 years ago, while team Gamma learned about late human activities, 40000 years ago to present times. Which team didn't learn about humans that lived in small populations of nomadic gatherers?
A: team Gamma

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 fewer plastic fragments floating in the ocean?
A: Vic

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 A increase or decrease the rate of reaction than test B?
A: decrease

Q: Two botanists had different interests, Mike studied only trees and flowers, while Chris was fascinated with studying fungi. Which botanist learned less about enzymes breaking down living tissue?
A:
Mike