Answer:
Thalassophobia is a phobia that most children and adults have, due to having a fear of a certain area.
Step-by-step explanation:
To answer your question a lot more precisely, thalassophobia is the fear of the sea. Deep waters, such as pools, the sea, lakes, and more. You don't know what is down there, so people who have this phobia tend to get terrified and not wanting to get into the water. I hope this helps :)