Q: Two college students both had unprotected sex with different partners. Ben got the HIV virus, while Nate was lucky and was not infected with any diseases. Which student had a lower chance of dying earlier than normal?
A: Nate

Q: John studies how chemicals affect environment. He traveled to the Amish country to see their traditional ways of farming. He noticed they don't use any fertilizers or pesticides. He labeled this part of the study as case A. Then he visited a modern farming facility where they use tons of fertilizers and pesticides. He labeled this part of the study as case B. Which place would see more growth of algae, case A or case B?
A: case B

Q: Two friends were into natural sciences. Tom was more into Geology, while Rick studied Ecology. Which student read less about the many interactions among species within an ecosystem?
A: Tom

Q: Two nearby villages are experiencing earthquakes. Bow village gets a lot of earthquakes annually, while Arrow village gets only a few. Which village experiences fewer plates moving?
A:
Arrow