The abyssal plains are flat or very gently sloping areas of the deep ocean floor. They are among the Earth's flattest and smoothest regions and the least explored. Abyssal plains generally lie between the foot of a continental rise (shelf) and a mid-oceanic ridge.
I believe it is the Marianas Trench.
your head!
both
yes
it is troll-a-lol
The Yucatan peninsula.
The ocean floor is the thinnest part.
The Young Ocean Floor is the part of the mantle showing between the 2 split tectonic plates.
sea floor
Along constructive/divergent plate boundaries. This is where the new ocean floor comes from. This is the youngest part of the ocean floor that is.
Continental Shelf.
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