Answer:
Procedures: a series of actions conducted in a certain order or manner.
BRAINLIST PLS!
Answer:
Three of the most important breakthroughs in medicine were the identification of insulin, the introduction of aspirin, and the discovery of penicillin.
Explanation:
The text is doesn't need any additional punctuation
A critical listener only takes in what's thought as important points, where as an appreciative listener is more likely to take it all in and enjoy every little bit.