Which country has the lowest population in the world?
Vatican City
What is the fastest thing we know?
Light
Which mountain is the highest in the world?
Mount Everest
Which of the following countries is larger than Canada? (CHINA/ BRAZIL/ RUSSIA/ AUSTRALIA)
RUSSIA
Which one is older: QUOC TU GIAM (Hue) or VAN MIEU (Hanoi)
VAN MIEU (Hanoi) 1070
Which river is the longest in the world?
The Nile
What is the largest animal in the world?
Blue whale
In which country did the world's worst nuclear disaster take place in 1986?
Ukraine
Which is the furthest planet from the sun?
Pluto
Which planet is (the) closest to the sun?
Mercury