Please answer this: 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 farther, would their potential energy increase or decrease?
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Answer: decrease

Please answer this: David was interested in the coloration of ocean's water. To understand the phenomenon he first observed the color of water at forty feet depth. He noted his observation as point A. Then he observed the color at hundred feet depth. He noted his observation as point B. Then he observed the color at four thousand feet depth. He noted that observation as point C. He now have some ideas how the color of water changes according to its depth. At point B, would the color be stronger or weaker than point A?
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Answer: stronger

Please answer this: Bobby and Will were two friends attending a genetics course. Bobby studied a small, isolated group of mammals. Will studied a large, healthy population of the same species. Which person observed a loss in genetic diversity?
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Answer:
Bobby