9. a vector quantity describes both and

Direction and magnitude.

This is what i found on google “lithium and sulfide can react together to form litium sulfide(li2s). when lithium sulfide hydrolyses(breaks down) in air, it releases hydrogen sulfide which is characteristized by a rotten egg odor.” i hope this you for what your looking for

Charles darwin marked the difference among countless finches on the galápagos islands.i hope i !