Riddle: If you feed me I grow, if you water me I shrink. I can devour entire cities within a day. I can be pretty to some, terrifying to others. What am I?
Riddle: You are the driver of a subway bus containing 29 passengers. At the first stop around 9:00am, 10 people get off and 16 come on. At the second stop, 12 get off but only 6 come on. At the final stop, everyone get off. The subway bus driver powers down the vehicle and exits. How old is the bus driver?