Yeah, it would be B (1.2 x 102 m^3) because the measurement gave it away even though other numbers were higher, however, the measurements for those were smaller in size.
To Earth, since it has the same radio and masses. This is what I believe.
Use M x V = M' x V'
0.300 x V = 0.100 x 250
V = .......... ml
Examination by a test; experiment, as in chemistry, metallurgy, etc.
Answer:
Inside the nucleus, the attractive strong nuclear force between protons outweighs the repulsive electromagnetic force and keeps the nucleus stable. Outside the nucleus, the electromagnetic force is stronger and protons repel each other.
Explanation: