David is a doctor who works for the public health department. After analyzing health data for his city, he found twenty percent of the population have myopia. He categorized them as group A. Another eighty percent didn't have myopia. He put them in group B. He now needs to devise a plan on how to tackle myopia in his city. Given the paragraph above, please answer correctly the following question: Which group would find it difficult to see distant objects, group A or group B?
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Answer: group A

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. Given the paragraph above, please answer correctly the following question: Where there would be visible sunlight, point B or point C?
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Answer: point B

Rob is an amateur astronomer. Recently, he detected four asteroids, asteroid A, asteroid B, asteroid C, and asteroid D. Asteroid A and asteroid B are of the same mass, but asteroid A is farther from the earth than asteroid B. Asteroid C and asteroid D are at the same distance form the earth, but asteroid C has more mass than asteroid D. He also figured out that all of these asteroids have less mass than earth. Given the paragraph above, please answer correctly the following question: In classical therory, would asteroid C have stronger or weaker gravitational pull of the earth than asteroid D?
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Answer:
stronger