Question

Why is the Earth called 'Blue Planet'?​

Answer 1

$\tt\color{cyan}{Answer :-}$

● From the space, the Earth looks blue because of the presence of water on it.

● The Earth is, therefore, called a 'Blue Planet'.

Answer 2

Answer:

Earth is our home. It is also the only planet with oceans. In fact, Earth is covered mostly with water. That is why it is called the Blue Planet.