This year thee comets would be of interest, comet A, comet B, and comet C. Comet A and comet B would enter the inner solar system. But comet C would not enter the inner solar system. Moreover, comet A is categorized as a bright comet, but comet B is categorized as a faint comet. Would comet A's coma be visible or invisible from earth?
Ans: visible

Two Islands were discovered by settlers, A small group of people moved to South island, but most of them moved to North island. People on North island had frequent food shortages. Which island had people with a lower birth rate?
Ans: North

Uncle Tom and uncle Sam both have high cholesterol. Uncle Tom is on statin drugs and uncle Sam is not. Which uncle takes a drug that works slightly differently in many people?
Ans: Tom

Two groups of scientists examined two fires. Group A put a large log on it, and group B made a fire with small twigs. They wanted to see which fire would last longer. Which group had a fire that burned slower?
Ans: Group A