Acell is placed in an unknown solution and stays the same size. what can you conclude about the solution?
a) the solution is hypotonic.
b) the solution is hypertonic.
c) the solution is diluted.
d) the solution is isotonic.

The picture below shows two galaxies. spiral galaxy and elliptical galaxy which of these statements best describes a similarity between the two galaxies? (2 points) both have elongated centers. both have centers shaped like bars. both change their shape from time to time. both are held together by gravitational forces.