It's a air pocket
Boat cannot move or circulate. bg
The first chapter in the book "Flipped" by Wendelin Van Draanen is called "The Very Beginning."
Diving Under Flipped Buddy Beware! The Sycamore Tree Brawk Brawk Brawk The Eggs Get a Grip, Man The Yard Looming Large and Smelly The Visit The Serious Willies The Dinner Flipped
this is called cats
A temperature inversion.
== ==
When it is under sail!
hid it under a pile of brush
Yes. But only for a short time.
Generally, gas is trapped in a container, or under a curved surface.
drowning?
No