Question: Scientists studied two island. One with an old ecosystem named Old island, and the other with a newly formed and forming ecosystem named New island. Both islands were inhabited, Old island being heavily inhabited. Which island had a less favorable climate for new ecosystems?
Answer: Old

Question: Dana and Sean both checked in as hepatitis B suspects, but only Sean had Hepatitis B. Dana was healthy and didn't carry the virus. Which patient had a disease which can be passed through sexual activity?
Answer: Sean

Question: the two groups of students used yeasts in two different experiments: they baked bread using baker's yeast, and made beer, using brewer's yeast. They learned a lot about sugars and chemistry. the bread making experiment was more successful and appreciated.than the beer experiment. Which experiment was more successful and appreciated?
Answer:
the bread making experiment