Problem: Bill and Bob were two brothers. They were both pretty active, but Bill loved salty foods and red wine. He got dizzy one day and went to the doctor. Bill had hypertension. Bob, on the other hand was hypotensive. Which brother had a greater chance of developing heart disease?

A: Bill

Problem: As a science experiment for his school homework, Kendra is putting two ice cubes on separate pans and then putting those pans on burners set to different temperatures. Ice cube A is set on top of a burner set to a low temperature, and ice cube B is placed on a burner set quite a bite higher. One minute later, Kendra begins writing down what she sees happening to the ice cubes. Which ice cube will melt slower?

A: Ice cube A

Problem: Mike lives in a cold mid-western city, where there is not much predator prey interaction. Mike noticed that in his city some squirrels have darker coat, while others have lighter coat. He also knew that darker coats are more suitable in cold environment with less predator prey interaction. He started thinking why the squirrels developed different coat colors. Which coat would most likely become more common, darker or lighter?

A: darker

Problem: People of Iran had more respiratory diseases caused by fungi and viruses, while their neighbor Iraq had more disease caused by bacteria. Which country had more people with acute bronchitis?

A:
Iraq