Baby Names Beginning With "O": Meaning: Evergreen?

Questions

a lump of pure_______ the size of a matchbox can be flattened into a sheet the size of a tennis court?

what is canada's national animal?

name the city where 'romeo and juliet' takes place.?

what arch can you see from the 'place de la concorde'?

this german admiral (of which a battleship was later named) is famous for organizing and planning the ww1 submarine blockade of the british isles?