[Q]: Xi province started sustainable agriculture and permaculture 40 years ago, while Huan province still uses conventional methods of cultivation. Animals grazing the fields extensively lead to desertification, the loss of carbon and nitrogen in the soil, and other problems. Permaculture was beneficial in Xi province, they re-built 10 inches of top soil in 10 years which is 6 times faster than the natural rate, which lead to a more diverse ecosystem and more biodiversity. Which province experienced less dust storms?
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[A]: Xi

[Q]: Bill and Paul were farmers. Bill used insecticides to get read of aphids, while his buddy farmer Paul didn't. Which farmer didn't use a strong water jet to kill aphids?
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[A]: Paul

[Q]: Two neighboring farms used different farming methods. Hill farm used GMO seeds, fertilizers and pesticides. Valley farm used only organic methods and non-GMO seeds. Which farm will grow fewer crops with increased germlines?
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[A]: Valley

[Q]: Two neighboring towns from Texas produced their food in different ways. Silver town was sustainable and didn't use any fertilizers or pesticides, while Gold town did. Which town didn't play a part in causing a large dead zone in the Gulf of Mexico ?
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[A]:
Silver