the mian features of a shell keep are that it is round and it is made of stone.
I THINK ..........
No.... they have no bones whatsoever. They're completely muscle, that's why they need their shell. They use their shell for protection and to keep a main structure.
Crater lakes are usually round with (with a cliff round the edge) and sometimes deep. They all sit in the craters formed by the mouths of volcanoes.
Shell Keep castles were built in the year 1172! +++ Not sure where the adjective "shell" comes from, but castles with a keep - the central building in the complex, and the main accommodation - were built mainly in the few centuries of the Mediaeval period , not just in one arbitrary year.
the key feature of a square keep are the turrets stone wall
the main feature of a rodent is the teeth
in the center of a roman toownhouse was the atrium (living room) witch connected all the other rooms (kitchen, bed rooms, ect.) though roman were very proud of there gardens.
the main feature that controls the bridge type is the size of the obstacle
k shell
The main feature of the F-22 would be it's stealth capability.
keep you alive! they bring blood to the heart so it can get circulated round the body and lungs again
One main feature of the Articles of Confederation was that each state had one vote in Congress. Another feature was the obvious lack of a federal system.
Makato is the main character of Makato and the Cowrie Shell.