Name The Year: Robert Louis Stevenson (in Scotland), writer (Treasure Island)?

Questions

What is the name of the elevated semi-desert region found in the northern and western Cape provinces of South Africa?

What is the name of the desert region of south east Ethiopia over which Somalia also claims sovereignty?

In which Australian state or territory is the Flinders Range and Lake Eyre?

Which is Argentina's second most populous city?

Gypsum is a hydrated sulphate of which metal ?