music: 80's Chart Toppers: Name The Artist: Birthday Suit?

Questions

In 2000, which author released his novel 'The Plant' on the internet?

Traditionally, witchetty grubs are eaten by which people?

The Mariana Trench is the deepest part of which ocean?

The saints Clare and Francis are associated with which Italian town?

How did Umberto Nobile cross the North Pole in 1926?