Question

what can be done so that remains as a blue planet with activities​

Answer 1

$\huge\bold\red{ANSWER:-}$

Planet Earth:-

Planet Earth has been called the "Blue Planet" due to the abundant water on its surface. Here on Earth, we take liquid water for granted; after all, our bodies are mostly made of water. However, liquid water is a rare commodity in our solar system.

Besides Neptune planet, the other planet which is known as blue planet is Earth. Our Earth has the blue color due to the presence of water on it.

==============================

Plz mark as brainlist......