Q: there are almost 2 km left of the original city wall, which was 4 km long. several defence towers in the wall are intact and are open to visitors.
A: There are almost 2 km left of the original city wall, which was 4 km long. Several defence towers in the wall are intact and are open to visitors.

Q: there have been several suggestions as to who the sons of god were and why the children they had with daughters of men grew into a race of giants (that is what the word nephilim seems to indicate).
A: There have been several suggestions as to who the sons of God were and why the children they had with daughters of men grew into a race of giants (that is what the word Nephilim seems to indicate).

Q: we've developed a parallel theory ... of computation that deals with the real, physical world.
A: We've developed a parallel theory ... of computation that deals with the real, physical world.

Q: assessments of interactions between uncertainty in electricity demand and renewable power production and electricity system flexibility.
A:
Assessments of interactions between uncertainty in electricity demand and renewable power production and electricity system flexibility.