Ben studied allergies ever since he experienced an allergic reaction to pollen. His brother Frank had no interest in the subject whatsoever, he was more interested in engineering. Which person studied less about allergies caused by animal dander?
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Answer: Frank

Two countries had big rivers discharging in the same ocean. Finland was very aware of environmental pollution and acted accordingly, while Russian practiced conventional agriculture and used fertilizers. Which country caused less human waste to reach into the ocean?
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Answer: Finland

Matt and his brother Jesse are twins. They look almost identical. If it weren't for the fact that Jesse has a slightly darker skin complexion you wouldn't be able to tell them apart. In fact one year Matt was out in the sun for a long time and picked up a bit of a tan so they actually did look exactly alike. Will the risk of a vitamin D deficiency increase or decrease when you skin is darker?
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Answer:
increase