Give reason :Time in history is divided into two main periods.

1.	Give reason :Time in history is divided into two main periods.
Answer» 1. The span of 4.5 billion years, since the earth’s formation is a vast period of time. 2. It is not easy to grasp this entire period all at оnсе. 3. It is necessary to divide it into a number of stages in order to understand it better. 4. Therefore, Time in history is divided into two main periods, i.e. Pre-historic and Historic period.

Answer»

1. The span of 4.5 billion years, since the earth’s formation is a vast period of time.

2. It is not easy to grasp this entire period all at оnсе.

3. It is necessary to divide it into a number of stages in order to understand it better.

4. Therefore, Time in history is divided into two main periods, i.e. Pre-historic and Historic period.

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