Barb and Dee studied chemistry for a school project. After little debate they decided that Dee will study volatile gases, and Barb will study greenhouse gasses. Which girl studied more about methane?
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Answer: Barb

Barb and Ann were friends. The used to play together outside in the yard till one day Barb's parents found out that she had sickle cell anemia. They haven't played together since. Which girl presented a genetic abnormality?
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Answer: Barb

Indiana has decided it wants to do its best to stop contributing to global warming. The first place the government decides to look is at the number of factories that use fossil fuels in production. They plan to shut down many of them in the coming years. Given one of the factories in Indiana is right next to a body of water, will the levels of carbonic acid in the water be higher or lower than a body of water with no factory near it?
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Answer:
lower