What distinguished bach's cantatas from the simple melodies of the lutheran chorales on which they were based?
answer
lush string accompaniments
a double chorus
addition of counterpoint
narration by a tenor evangelist

There is one girl i like and i don't know how to tell her that, i have a feeling she knows but if she doesn't i don't want to make a fool out of myself how is one way to boost my confidence on asking her out

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.

How is the way a mixture is combined different from how a compound is combined?