EQ$09$ Q$2)$: A$)$ Wetin na di karaktaiz f$$ petrolium fraksh$$n$,$ksplen d$$n difr$$ns$?$ B$)$ Wan krud $$yl g$$t API graviti we na $24,42,62$ Wetin na di density insay g$/$cm $3,$ kg$/$L$,$ kg$/$m$3?9.9.$