Which statement describes the density of a substance? A. Density is the number of particles in a substance.
B. Density is the mass per unit volume of a substance.
C. Density is the comparison of masses of different substances.
D. Density is the volume of air mixed with the particles inside a substance.

Political boundaries are determined by the political party in control at all time true or false

The first national government for the united states was

Which statement about jews is not correct? question 6 options: a: jews had been disliked and persecuted for many centuries. b: jews lived and worked in businesses throughout germany. c: many germans blamed jews for germany’s economic problems. d: jews began migrating to germany after the end of world war i.