The author is looking at an old castle.
Answer:
What coated the insides of Roman water pipes was mineral deposits.
Explanation:
Back in ancient Rome the water was rich in minerals, that would create a crust inside the aqueducts by deposition, coating the pipes and protecting the water from lead contamination.
Over time, the build-up of mineral deposits can clog the pipes, which requires periodic maintenance, in many cases the coating of the pipes could be accidentally removed.
Answer: Hyperbole because "Huge heart transplant" is an exaggeration.
Its hyperbole because its not comparing anything so its not simile or metaphor and its not comparing a non living thing to a living thing so its not personification.
Answer:
furthermore or in addition
Explanation:
sound the best to me and make the most sense