Civil Services Kerala (കേരളം) PSC KAS Prelims Test Series 2025 General Knowledge Geography (World Geography) Origin and evolution of Universe Solar system
With reference to the geological time scale, Consider the following statements:
1. It divides and chronicles earth’s evolutionary history into various periods from the beginning to the present.
2. Major changes in earth’s physical and biological history stretch over several millions of years.
3. In geological time scale all the divisions are expressed in billion years.
How many of the above statements are correct?
1
Only one
2
Only two
3
All three
4
None