Question: Mary and Ann are mother and daughter. Mary is in her 70's while Ann is in her late 40's. They both work out regularly for improved health. Mary has been experiencing some health issues lately. Which person is at a higher risk of developing Alzheimer's disease?
Answer: Mary

Question: The city of Riga is situated at 56 degrees N, and its sister city Kobe, Japan is situated at 34 degrees N, on a different circle of latitude. Which city is situated farther from the Polar Circle?
Answer: Kobe

Question: Planet Earth and planet Mars both had breathable atmospheres and were inhabited by humans. People of Earth destroyed the ozone layer, people of mars were more careful and protected it. Which planet had more people using coolants?
Answer:
Earth