The xiphoid process is the smallest and most inferior region of the sternum, or breastbone. At birth, it is a thin, roughly triangular region of cartilage that slowly ossifies into a bone and fuses with the body of the sternum.
City Blocks differ in size, but the typical square city block reaches 16 or 17 per mile, or 2.21 to 2.50 Acres. Engineers use a typical city block as 100,000 sq. ft. for calculation estimates, which is about 17 blocks per mile or 2 1/4 acres. (A football field is 300 feet by 160 feet, which is 1.1 Acres.)
There is no universal or standard size for city blocks. To determine how many blocks are equal to one mile, you first need to find the size of the blocks in the city you are asking about, and do the math. <br /> <br /> 5,280 feet equals one mile. To find out how many city blocks would equal a mile, divide 5,280 feet by the number of feet in a block in the city in question. <br /> <br /> For example, the blocks in Tucson, Arizona are 400 feet long. Diving 5,280 by 400 means that 13.2 blocks would equal 1 mile.