1) The International Monetary Fund (IMF) and the World Bank are international financial institutions that work to promote global financial stability and economic development.

2) The word "country" contains three vowels: O, U, and Y.

3) The Amazon rainforest produces more than 20% of the world's oxygen.

4) The Sahara Desert, located in North Africa, is the largest hot desert in the world, covering an area of about 9.2 million square kilometers (3.6 million square miles). It is characterized by vast stretches of sand dunes, rocky plateaus, and extreme temperatures.