This is due to the fact the ocean floor is predominately lava rock or coral reef with little silt or sand.
(This; is; due to the fact the ocean floor is predominately lava rock or coral reef with little silt or sand) (the ocean floor; is; predominately lava rock or coral reef with little silt or sand)
This the ocean floor
is is
due to the fact the ocean floor is predominately lava rock or coral reef with little silt or sand
predominately lava rock or coral reef with little silt or sand