Q: Two sailors, Jim and Eric decide to buy boats. The boats they buy ave a decent amount of iron in the construction and will be exposed to water almost constantly. Jim decides to coat his boat in a protective seal that seals out water and air. Eric thinks this is unnecessary and does not buy the protective seal. Given you coat iron in a seal protecting it from water and oxygen, will the natural rate of corrosion increase or decrease?
A: decrease

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 the spread of humans to Australia?
A: team Alpha

Q: John wanted to see how he would fare in high altitude compared to ground-level. So, he first measured his responses in ground-level. He labeled this part of the study as case A. Then he board on an airplane to reach high altitude, and measured his responses there. He labeled this part of the study as case B. Now, John knows how he needs to prepare for a high altitude hiking. Would case B see higher or lower air density than case A?
A: lower

Q: Tom and Jim go running together once a week. This week Jim skipped his warm up before exercising, because he was a bit late. Tom warmed up properly before running. Which runner has a lower chance of getting a muscle injury?
A:
Tom