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: In the ant world a war has been waged. Two rival groups of Acromyrmex heyeri ants, group A and group B, are battling each other to gain territory. The goal is to attack the rival group when they have more openings in their nest thatch. In battle day one group A territory had 5 C temperature. In battle day two group A territory had 22 C temperature. In battle day three group A territory had low air humidity. In battle day four group A territory had high air humidity. In battle day two would group A have less openings or more openings in their nest thatch?
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The answer is:
more openings

Problem: Given the question: David is interested in how electricity works. One day he had two electric charges to investigate, charge A and charge B - both of the charges were negative. He also had two electric fields, field C and field D. He noticed that electric charges were moving from field C to field D. If charge A and charge B are close, would they repeal or attract each other?
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The answer is:
repeal