The adult human skeleton is made of 206 bones. One quarter of all those bones are in the... An average ear of corn has an even number of rows, usually 16. 40 Below Is the Only Temperature That Is the Same in Both Fahrenheit and Celsius. If you multiply a number by 9 and add all the digits of the new number together, the sum will always add up to 9. So, for example: 8 x 9 = 72, 7 + 2 = 9 A baseball diamond is a perfect rhombus.