prehistory
A time a person rules is called a 'Ruling Period' or 'Reign'
What you are able to earn in a given period of time is called your earning potential.
Pay period
Increase of velocity over a period of time is called acceleration.
No, that's called its "period". The frequency is numerically equal to the period's reciprocal.
prehistory
Prehistory
Prehistory is the period of time before humans learned to write.
Prehistory.
long period of time before people developed systems of writing and a written language
long period of time before people developed systems of writing and a written language
The period of history before a viable system of writing had developed was called the Neolithic, or New Stone Age, during the period civilization had greatly developed in agriculture and cities. The first and earliest form of writing involved the symbolic Sumerian cuneiform in Mesopotamia around 3500 BC, which occurred after the Neolithic time period of world history.
Prehistory
pre history pre historythe time before writting was invented is called prehistory.
Prehistory
The time before history was written is called prehistory. It refers to the period before written records were kept and includes the Stone Age, Bronze Age, and Iron Age. Archaeology and other scientific methods are used to study prehistoric societies.
The period of time prior to the invention of writing is referred to as "Prehistory". This division of time is also noted by the use of a written calendar and the days before there were such dates notated.