Two friends met after 20 years. Tom had been smoking tobacco all these years and had some health problems related to that, while Randy quit smoking 25 years ago. Which friend had an increased risk of developing cancer of the lung?
Ans: Tom

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 less food for its inhabitants?
Ans: North

David got five exercise tips from his personal trainer, tip A, tip B, tip C, tip D, and tip E. Tip A involves weight lifting, but tip B does not involve weight lifting. Tip C involves running, but tip D does not involve running. Finally, tip E does not involve any exercise at all. David has to find out which tips are most useful for him. Would tip D make the cardiac muscle more efficient or not more efficient than tip C?
Ans: not more efficient

Two continents were separated by a large ocean. Oceania had milder weather and experienced common weather phenomena, while Lemuria experienced natural disasters. Which continent experienced fewer tornadoes?
Ans: Oceania