Problem: Mark decides he want a cold drink and puts a bottle of warm water in his freezer. By doing this he makes the water colder and as water cools its density increases eventually freezing and becoming a solid, Ice. After a while mark forgets that he put the bottle of water in the freezer. He eventually remembers and comes back to check and the bottle of water is frozen solid. Because of this he leaves the bottle out on his kitchen counter for a few hours and returns to a nice cold bottle of water. Given the paragraph above, please answer correctly the following question: Which is denser, warm water or ice?

A: ice

Problem: Rob was in the East Coast for a month. He had the good opportunity to see various tidal conditions. First he saw the spring tide, which he noted as case A. About a week later he saw the neap tide. He noted that as case B. Rob got curious about the science behind various tidal conditions. Given the paragraph above, please answer correctly the following question: In which case the low waters would be lower, case A or case B?

A: case A

Problem: Two farmers both had ten cattle each. Bill decided to use inbreeding as a method to breed his cattle, but James didn't because he knew about the consequences. Two years later Bill's farm had 12 sick cattle and James' had 30 healthy cattle. Given the paragraph above, please answer correctly the following question: Which farmer's cattle had more fitness-related traits?

A: James'

Problem: Two sisters went to the hospital. The medics ran some blood tests and found out that Sue had sickle cell trait, while Mary had normal blood cells. Sue received treatment. Given the paragraph above, please answer correctly the following question: Which sister has a deformation of her red blood cells?

A:
Sue