All of the Sumerian cities were built beside rivers, either on the Tigris or Euphrates or on one of their tributaries. The city rose, inside its brown brick walls, amid well-watered gardens and pastures won from the swamps. In all directions, the high levees of the irrigation canals led to grain and vegetable fields.
Parse is defined as to break something down into its parts, particularly for study of the individual parts. An example of to parse is to break down a sentence to explain each element to someone. parsed, parsâ²ing. to separate (a sentence) into its parts, explaining the grammatical form and function of each of the parts and their interrelation.
One parsec is the distance at which one astronomical unit subtends an angle of one arcsecond. A parsec is equivalent to 3.26 light years, and since a light year is the distance light travels in 1 year 9.4 trillion km, 1 parsec equals 30.8 trillion km. The term parsec is a combination of 2 words, parallax (par) and arc second (sec).