Which is the longest river in the world?

The world’s largest desert is located in which continent?

Grand Canyon in the USA was formed mainly by which river?

What type of landform is the Sahara?

Which mountain range separates Europe from Asia?

What type of landform is formed at the mouth of a river due to deposition?

Which is the world’s deepest ocean trench?

Which landform results from volcanic activity?

Which of the following mountain ranges is formed by folding?

Which type of landform is formed due to wind erosion in deserts?