[Q]: Microbiologist John is studying the anaerobic organism. He collected two samples of this organism, sample A and sample B. Sample A is an anaerobic organism, and sample B is specifically identified as the Clostridium perfringens obligate anaerobe. To compare these samples to other organisms he collected another microbe that is not an anaerobic organism. He labeled it as sample C. Which sample might not die in presence of oxygen, sample A or sample C?
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[A]: sample C

[Q]: Two farmers live side by side and both raise cattle in separate fields. The area they live in is rather hot. Farmer A's grazing area is wide and open with no trees around. Farmer B has a lot of trees in their grazing area. Which farmers cattle are likely more stressed, Farmer A or B?
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[A]: A

[Q]: Ben and Sam were two twin brothers. One day Ben was feeling sick so they went to the doctor and they discovered that Ben had hepatitis B. Sam was tested as well, but he was 'healthy as an ox'. Which brother experienced more yellowing of the skin?
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[A]: Ben

[Q]: Two cousins were fascinated about food chains in nature. Liam started reading about apex predators, while Fox read about grazers and large herbivores. Which cousin learned less about wildlife management?
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[A]:
Fox