Sarah performs an experiment to see whether bees prefer red flowers or yellow flowers. look at this table of results from the what is the independent variable? . 

Suppose that you stir a green powder into a clear liquid. the liquid turns green. you leave the room and come back later to observe that the top of the liquid is clear again. a green substance has settled on the bottom of the container. was the green liquid that you made a compound or a mixture? explain your reasoning.