IQ is a number meant to measure people cognitive abilities (intelligence) in relation to their age group. An I.Q between 90 and 110 is considered average; over 120, superior. Roughly 68% of the population has an IQ between 85 and 115.
The oldest known civilization was believed to have formed in  Mesopotamia near the Tigris and Euphrates rivers. This was believed  to have happened around 4000 B.C. and that â¦ is a fact! Answered. In Geology.he oldest known civilization was believed to have formed in  Mesopotamia near the Tigris and Euphrates rivers. This was believed  to have happened around 4000 B.C. and that â¦ is a fact! Answered. In Geology.
River, the rich soil of the North China plain proved a superb basis for what. has been the largest and most enduring civilization in human history. Civilization first developed in the Indus River valley in present-day Pakistan. in the middle of the 3d millennium B.C., more than a thousand years earlier.