Answer:
4. Empirical units of measurement
Fiverr works just like any other marketplace. Sellers list their services (gigs) and buyers who are interested in these services ask questions and if they are satisfied with answers, purchase them. Fiverr works like a middleman guaranteeing both parties are happy with the end result.
Answer:
The goal of the porter is to serve as an alert to the reader that something terrible is going to happen in the castle.
Explanation:
When the porter refers to hell, he warns the reader that something big and so terrible is going to happen that can be compared to hell and all the wickedness and agony that this place symbolizes. This situation is the murder of the king in cold blood and the ususpation and persecution that the murderer will provoke, as well as all the mental lack of control and emotional exhaustion that will be presented during the narrative.
Flash forward means that it's a "flashback" but you see the future
There is no passage and answer choices, so it is impossible to answer this question. I apologise.