The section "Rams and lions were featured on jewelry" includes words such as "investigating" and "experimenting."How do these words contribute to the tone of the article?

Use the formula: (n-2)×180, where n is the number of sides(18-2)×180= 28800, now this is the full exterior angle of 18-gon so you divide it by 18.28800÷18=160

The sumerian empire worshipped a lot of natural aspects like wind. the impact on civilization was people abided by rules to avoid displeasing gods and it created a drive in people to be good. i hope this is what you were looking for, as this question was quite broad.