The chart shows the densities of four substances.

which list shows the order in which white light passes through these substances, from fastest to slowest?

z, y, x, w

w, x, y, z

w, x, z, y

y, x, z, w

Biology students used raw eggs in an experiment on tonicity and osmosis. the students put their eggs into vinegar to remove the shells. the vinegar was used to remove the shell from the raw egg. what other effect(s) did the vinegar have on the egg?