Q: Carrie bought two parcels of farmland. The Northern one had soil with lots of arbuscular mycorrhizal fungi, while the Southern parcel had almost no traces of AM fungi. Which parcel had a lower soil nutrient content?
A: Northern

Q: Keith is a doctor at the city hospital. Today, he is seeing six patients, patient A, patient B, patient C, patient D, patient E, and patient F. Patient A is a smoker, but patient B is not a smoker. Patient C uses sunscreen, but patient D does not use any sunscreen. Patient E tans with tanning lamps, but patient F tans in the sun. Which patient would have higher risk or lung cancer, patient A or patient B?
A: patient A

Q: Two brothers Syd and Dan went to college. Syd studied plate tectonics and mantle melting. His brother Dan got to study types of soil and pedology. Which brother studied more about added water lowering the mantle's melting point?
A: Syd

Q: Two climate experts studied different continent to observe climate changes. Jordan studied Australia, while Jeb studied Antarctica. Which person didn't observe warming in spring?
A:
Jordan