<span>The boundaries of eras are marked by great worldwide changes in </span>Life. What this means is that the way life forms work or exist changes drastically.
Answer: in a way of advertising like tacking on what users like and look at the longest and to track what time a user is likely to buy a certain product . not literally supernatural but things we can calculate
Explanation:
The silk road, I do believe. lolol
I think it's D. Hindu- Arabic Numerals
County and federal courts