What do know about the sea? Some people have seen it but othershavent. The sea looks beautiful on a fine sunny day and it can be very toughwhen there is a strong wind. What other things do you know about it? Of course, the sea is very large. In the world there is more sea than land. If you have swumin the sea, you know that the sea is salty. Rivers carry salt from the land into thesea. Some places of the sea are saltier than the other places. Do you know theDead Sea? It is so salty that you can sink when you are in the water! And fish cannot live in it!