No. Scoria is rock. It is inedible.
Not necessarily. Most scoria is basaltic, but some can be andesitic.
Presley, Elvis was born as: Elvis Aaron Presley.
Elvis Álvarez was born in 1965.
Elvis Pompilio was born in 1961.
Elvis Mešić was born in 1981.
Elvis Fatović was born in 1971.
Elvis Yero was born in 1965.
Elvis Mihailenko was born in 1976.
Elvis Forde was born in 1959.
Elvis Knapman was born in 1985.
Elvis Reifer was born in 1961.