Al. What are cave paintings? What is their significance?
5/
What are microliths? How do they differ from
the tools of the Old Stone Age?
6. What is the significance of the invention/
discovery of: i) fire ii) the wheel iii) agriculture
and iv) the use of metals?
What were the favourable conditions for human
settlement that existed in the Hunsgi-Baichbal
valleys?​

Explanation:

i confess that there are several parts of this constitution which i do not at present approve, but i am not sure i shall never approve them: for having lived long, i have experienced many instances of being obliged by better information or fuller consideration, to change opinions even on important subjects, which i once thought right, but found to be otherwise. it is therefore that the older i grow, the more apt i am to doubt my own judgment, and to pay more respect to the judgment of others.

other sources of text

explanation:

this can be magazines, news reports, scholarly articles, textbooks, research papers etc.