John is trying to buy a house. Today, he saw two houses, house A and house B. House A was build in the 1920s. It has lead plumbing pipes and lead based paint. House B was build recently. It does not have lead plumbing pipes or lead based paint. Which house would be more dangerous for children, house A or house B?
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Answer: house A

Brad and Joe studied atmospheric conditions on different planets of our solar system. Joe studied about Earth, while Brad studied more about Venus. Which person learned less about sulfuric acid clouds?
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Answer: Joe

John studies erosion of soil due to ocean wave. To facilitate his study he measured wave in three different points, point A, point B, and point C. Point A is in deep water. Point B is in shallow water, and point C is in even shallower water. He needs to publish his findings after analyzing the data. Would point A have less or more broken free orbital motion of water?
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Answer:
less