In paper chromatography what is used as the stationary phase

Medium is a. the materials used by an artist. b. the aesthetic balance an artist achieves in his/her work of art. c. the relation of one part to another, or of parts to the whole. d. a reproduction of people, places, or things. select the best answer from the choices provided

Which clef would be used for the violin? a. treble b. tenor c. bass d. alto what causes sound? a. electric fields b. magnetic fields c. vibrating electrons d. vibrating molecules

This example of early christian art contains christian symbolism that was unrecognizable by pagans. what is the title of this example of art? a. the rabbula gospelsb. sarcophagus of the church of santa maria antiquac. the sarcophagus of the good shepherdd. the baptism of the disciples