He is known for creating pi, the number that does not end.
Answer to question 1:
The "Dark Ages" is a historical periodization traditionally referring to the Middle Ages (c. 5th–15th century) that asserts that a demographic, cultural, and economic deterioration occurred in Western Europe following the decline of the Roman Empire.
Answer to question 3:
Chivalry has changed quite a bit since it appeared in the middle ages. ... In social situations, chivalry is still acceptable. That said, I think it comes down to men and women being courteous to each other rather than men being the only ones practicing courteous acts. A woman should hold the door open for men and women.
I know its not the full answers but this is the best I can do based on the questions.
The answer is "Ideas that will later influence the space program" :) Please mark Brainliest :)
I’m sorry but what is the question here what are you supposed to be answering
I believe your answer is a I hope this helps