1. What is the ordinal status of Earth among the biggest planets of our SOLAR SYSTEM?
2.On the surface of which planets the rocks are found?
3.Which is known as the 'twin planet' of earth?
4.Which is known as the 'blue planet'?
5.Which is the hottest planet?
6.Why the temperature is high on the surface of Venus?
ans: Large quantity of carbon dioxide is found on its surface.
7.Which is known as the 'red planet'?
8.Which planet has the largest number of moons?