where is the biggest tree in the world

The General Sherman is the biggest tree in the world, The tree located in the Giant Forest of Sequoia National park in Tulare County, in the U.S. state of California. By volume, it is the largest known living single stem tree on earth  

What is the largest lake in the world

The Caspian Sea is often regarded as the world's largest lake.

what is the largest country in Africa

Algeria is Africa's largest country by area, and Nigeria is the largest by population. Africa, particularly central Eastern Africa.

what is the longest bridge in the world

The Danyang–Kunshan Grand Bridge is the world's longest bridge. It is a 164.8-kilometre bridge

The bridge is located on the rail line between Shanghai and Nanjing in East China’s Jiangsu province

what is the longest animal in the world?

The Lineus Longissimus is one of the longest known animals, with specimens up to 55 metres) long 

They may grow as long as 55 metres), which would make it the longest animal in the world. The body is brown with lighter (longitudinal) stripes. Its mucus contains a relatively strong neurotoxin which it uses as a defence against predators.