Please answer this: John is a soil scientist. He has been studying the lands near Mississippi delta. He noticed cases of hypoxia in that are. He labeled that study as case A. To compare that to other areas he visited Arizona. There he didn't see any occurrence of hypoxia. He labeled that case as case B. Wetlands would see more of which case, case A or case B?
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Answer: case A

Please answer this: Hydrologists studied two samples of rain water. Jim studied an acid rain sample from a nearby city, and Dan studied a sample of water from another town. Which hydrologist learned more about precipitation with a low (acidic) pH?
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Answer: Jim

Please answer this: UK and France had scientific bases in Antarctica. UK had a base and studied the climate in East Antarctica, while France observed the climate in West Antarctica. Which country didn't observe ice lasting for extended periods?
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Answer:
UK