Which of these languages are spoken in South America

The biggest country in the South America is:

In which of these countries the Parana river DOESN'T flow:

What county is the world's largest producer of emeralds:

This is a flag of:

Which of these countries are landlocked (have no access to the sea):

Big Island of the Land of Fire which is also known as 'Isla Grande de Tierra del Fuego' is divided between:

What is the largest population city in Brazil?

In what country Machu Picchu is located:

The most spoken languages in South America are:

Tango originates from:

Which country is the world's largest producer of coffee:

Which country has a llama on its coat of arms:

Which of these dances originate from the South America: