Which of the following planets is known as Earth's twin?
Venus is known as earth's twin because of its closeness to the earth with respect to size, mass(weight) and density.
The shortest air route from Moscow to San Francisco is
The world's largest river is the......
...................is called the "land of a thousand lakes"
Which is the fourth planet from the sun ?
Which of the following cities is not one of the capitals of South Africa ?