[Q]: John is learning more about different cultures and people around the world. He noticed that people have different skin colors. To learn more about the science behind skin colors he categorized the skin colors into two broad groups, case D and case L. Case D is represented by darker skin and case L is represented by lighter skin. Would case D population be at smaller or larger risk of vitamin D deficiency than case L population?
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[A]: larger

[Q]: John enrolled in a prestigious culinary school. In the very first day his instructor was showing different processes used on fruits. One of them was glace fruit. He showed the class how to prepare glace fruit and kept some of the glace fruits on bowl A. To compare glace fruits with non glace fruits he kept some non glace fruits on bowl B. Would bowl A fruits be preserved longer or shorter than bowl B fruits?
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[A]: longer

[Q]: In the Kenya-Tanzania border Kenyan grassland gradually merges into Tanzanian forest. Though they had similar soil to start with millions of years ago, today they are two different habitats. At present, Kenya has one of the largest contiguous grassland in Africa. On the other hand, Tanzania boasts one of the largest forest cover in Africa. Would Tanzania have thicker or thinner "A horizon" than Kenya?
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[A]: thinner

[Q]: Bend city used a lot of fossil fuels to generate electricity. Hop city, another city from the same county, used only alternative sources of energy. Which city caused fewer skin cancers?
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[A]:
Hop