1. A total of ten countries are located on the Tropic of Capricorn. They are spread over three continents. Of the ten countries located on the Tropic of Capricorn, five are African countries.

2. They are Namibia, Botswana, South Africa, Mozambique and Madagascar. Argentina, Brazil, Chile and Paraguay are South American countries located on the Tropic of Capricorn.

3. Apart from five African countries and four South American countries, Australia is also located on the Tropic of Capricorn.

1. Habitat of the Yakut tribe in Northern Siberia.

2. The Yakuts, or Sakha, are a Turkic ethnic group that lives primarily in the Sakha Republic in the Russian Federation. Their habitat also extends to the Amur, Magadan, Sakhalin regions and the Taimyr and Evenk districts of the Krasnoyarsk Territory.

3. Yakut language belongs to the Siberian branch of Turkic languages. The Russian word Yakut is derived from Evenk Yoko.

4. In some old histories the Yakuts call themselves Sakha or Urangai Sakha.

5. The Yakuts engage in animal husbandry, traditionally focusing on the raising of horses.

The world's highest waterfall is located in (B) Venezuela. The waterfall is named Angel Falls (Salto Ángel in Spanish), and it is situated in the Canaima National Park in the Gran Sabana region of Venezuela. Angel Falls is renowned for its impressive height, with a continuous drop of about 3,212 feet (979 meters) and a total height of 3,281 feet (1,000 meters).