UnScramble this Word: n h n e u g d a?

Questions

In dating agency adverts what does the 'S' represent in the abbreviation 'NSP'?

An animal described as ecostate lacks which physical feature?

The Venetian island of Murano is particularly associated with the manufacture of which product?

The US Congress comprises the Senate and which other house or chamber?

Birmingham is flanked by the M6 on the north and M5 on the west, which motorway flanks south & east?