Please answer this: Rob likes to visit high mountainous locations. Last year he visited the the Alps mountains in Austria. There he saw an unique type of glacier called valley glacier. This year he went further east to visit the Ural mountains in Russia. There he didn't see any valley glacier. Given the paragraph above, please answer correctly the following question: In which year Rob would not observe quarrying effect, this year or last year?
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Answer: this year

Please answer this: Nigeria invested in sand mining and started mining coastal barriers. Congo continued preserving their picturesque beaches. Given the paragraph above, please answer correctly the following question: Which country caused less turbidity in the coastal water?
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Answer: Congo

Please answer this: Jerry and Gary each live in separate cities, but both run equally sized farms that grow the same produce. The cities they live in have very similar environments with the only difference being that the CO2 levels in Jerry's town are elevated, and in Gary's they are not. Jerry and Gary regularly talk on the phone and compare notes with each other since their farms are so similar. Given the paragraph above, please answer correctly the following question: Who will produce less crops with the same amount of seeds?
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Answer:
Gary