Sassi Book & Poster Kids/Children Fun Learning/Reading What How & Why The Sea 6+

Sassi Book & Poster Kids/Children Learning What How & Why The Sea 6y+

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?