Problem: Given the question: Ants are one of the most interesting creatures on earth. David wants to study ants for his biology project. He is specifically interested in ant species Acromyrmex heyeri. This semester he studied this ant in Americas. First day when he studied the ants the temperature was 10 degree Centigrade. In the second day of his study the temperature rose to 25 degree Centigrade. In the third day of his study the air humidity was high. But in the fourth day of his study air humidity dropped. David wants to continue his study of this same ant species in Asia next semester. Which day David would see openings in the nest hatch open, third day or fourth day?
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The answer is:
third day

Problem: Given the question: Two farms were selling on Seattle markets. Berry farm, which used organic methods, no fertilizers and pesticides, and Rose farm, which used conventional agricultural methods, including fertilizers and pesticides. Which farm contributes less to the carrying of chemicals to nearby rivers?
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The answer is:
Berry

Problem: Given the question: The researches studied the atmosphere in Antarctica, and close to Greenland. They found out there's an ozone hole over Antarctica. Which landmass didn't have its atmosphere destroyed by coolants?
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The answer is:
Greenland