Space: –

Whenever we hear the term space, we start to think about Vacuum cleaner. Well to your surprise Space is Vacuum. It is neither Solid nor liquid nor Gas. There is no Oxygen supply in space. This is the reason why Astronauts take Oxygen with them in order to survive. Light can only pass through this with a speed of 300,000 km/s. If we talk about sound on the other hand, it cannot travel through Space. It just scatters and we cannot hear anything.

The Home Planet (Earth): –

Earth is the home planet to all of Humans. Well, if you know Earth was not as same as it was before 2.5 billion years ago, where the sky was Orange and sea was green. Well, you might be wondering that then what made the Earth into this form that we know today. It was a green Algae like plant “Phytoplankton” that grew in water and produced Oxygen that help the Earth to regain its color and made the sky and seas blue.

How much land and Water is on Earth: –

If we talk about the percentage of water and land on earth, then Water is 75% and Land is 25%.

Importance of Water

The importance of Water is that it is very important for agriculture. Water provides us Humans to survive and thrive. In addition to that, it also helps to create electricity