Two medical school students named Dan and Bob learned about the human immune system. Dan studied more about the subject, and became very interested to pursue it more in the future. Which student learned that the infected skin area may become painful?
Ans: Dan

Keith has four plants in his backyard, plant A, plant B, plant C, and plant D. Plant A is very large, but plant B is smaller. Plant C and D are the same size. He applied some gibberellins to plant C, but didn't apply anything to plant D. He got curious about why some plants are bigger, while others are not. Which plant would not see increase in growth, plant C or plant D?
Ans: plant D

Bob and Bill studied at the same university. While Bob got into studying nutrition, Bill ended up studying about cancer and how to prevent it. Which student learned less about avoiding smoking?
Ans: Bob

Two farmer's associations used different agricultural methods when growing crops. Bold farm used lots of fertilizers over the years, while Shallow farm used organic methods combined with methods from permaculture. Which farm contributes less to the consumption of oxygen in the water?
Ans: Shallow