What is it used for? Before we are born, we fed, through the umbilical cord. Which united the mother and her child

Jobs are divided into three sectors. The secondary sector has jobs which transform raw materials into elaborated products and the main activities which compose this sector are factories or industries, crafts, and constructions.

Are you scared of sharks or do you feel amazed by them? Sharks are both scary and amazing. What do you know about them? Discover plenty of curiosities of this impressive hunter of the sea!