Misc: What is the unit of currency used in the country of Botswana?

Questions

Among the fifty-two ------------- churches Sir Christopher Wren created from 1670 to 1711, the greatest was St. Paul's Cathedral.?

------------------- is 98 percent ice, 2 percent barren rock. The average thickness of the ice sheet is 7,200 feet; this amounts to 90 percent of all the ice and 70 percent of all the fresh water in the world. If the ice cap were to melt, the sea level would rise by an average of 230 feet.?

Antibes, on the eastern French Riviera, was founded by the --------- in the fourth century B.C. After World War II, Pablo Picasso left Paris to live near the Mediterranean. He worked for six months in the Grimaldi castle where he painted La Joi De Vivre. It is now a museum that holds many of Picasso's paintings and pottery. Antibes also hosts one of the largest antique shows in Europe each spring.?

Approximately 70 percent of the Earth is covered with water. Only 1 percent of the water is ---------------?

Arguably the largest state in the world, ----------------------- covers one-third of the Australian continent. It spans over 2.5 million square kilometers (1 million square miles).?