Is the water in the sea as salty as we think?

Question: Is the water in the sea as salty as we think?
- Keywords:
  water
Asked by Colleen1 to Annette, Amy Heather on 11 Nov 2019.
- Amy Heather Fitzpatrick answered on 11 Nov 2019:
  
  Water in the sea is about 3.5% saline, but actually the atlantic sea water is the least saline, which is why its harder to float!

Question: Is the water in the sea as salty as we think?