Misc: which science fiction book by william gibson won the hugo and nebula award.?

Questions

What kind of construction are both the Sydney Harbour and the Runcorn-Widnes bridges?

In the system of linear measurement, how many yards are there in one chain?

Which was the last port of call from which the Titanic sailed?

Which planet is nearest in size to that of the Earth?

Which is the largest moon in the Solar System?