In which continent the south pole of the earth is located?

The continent which remains permanently frozen is-

Which continent is known as Island continent?

Entering in which of the layer of atmosphere do Meteors usually burn up?

The air pressure decreases, when-

A permanent damage to the environment Is called-

The gas which protects us from the harmful effects of the sun's rays is-

What is the shape of the Indian ocean?

Which ocean is the busiest from the trade point of view?

The International date line passes through the