Two friends had a discussion about the Earth and what this reality might be. Tim believed in the Gaia hypothesis, while Olly believed in the Panspermia theory. Which friend didn't believe that the biosphere is its own living organism?
Ans: Olly

There was a soccer match between Red team and Blue team. Blue team got there early, warmed up properly and were ready for the game. Red team arrived late and almost skipped warming up entirely. Costly decision, as it turns out, because they lost. Which team had more people with an increased blood flow to the muscles before the match?
Ans: Blue

Keith is a doctor in a local hospital. Today, he is seeing three patients, patient A, patient B, and patient C. Patient A has been suffering from hepatitis B all his life; patient B is recovering from hepatitis B on his own; and patient C doesn't have hepatitis B. Keith would now compare the symptoms of these patients. Which patient is less at risk for liver cancer, patient A or patient C?
Ans: patient C

John is a doctor at the children's hospital. He had two different cases to investigate, case A and case B. In case case A, a baby continued to suckle mother's milk. But in case B, a baby stopped suckling mother's milk. He had to determine the different effects these two cases were causing. Which is an example of positive feedback, case A or case B?
Ans: case A