What, How, Why: Sea

The Earth is largely covered in water: oceans, lakes and rivers make up 71% of the Earth’s surface, which explains why, when we look at our Planet from space, we see it as a big blue ball. When did oceans and seas form? What is the difference between sea and ocean? What organisms live in the marine ecosystem?

An easy-to-to reference in a Q&A format that helps curious minds analyse information and develop creative ways of thinking.