The oil and vinegar in italian vinegarette separates because the oil is and the vinegar is since it is mostly water. a) nonpolar, polar b) polar, metallic c) homogeneous, ionic d) hydrophyllic, covalent

A polar substance will not dissolve a nonpolar substance. In the case of oil and vinegar, the vinegar is polar and more dense than the oil, so it settles on the bottom of the container. The oil is nonpolar and less dense, so it doesn't dissolve in the vinegar, and it floats on top.

b) that would be the answer based on my text book

hope it helps! cheers

plasma is the state of matter where the substance is ionized and has no definite shape or volume. the fact of being ionized makes the substance a good electrical conductor.

answer seismograph;