The answer. Is c I hope this helps
Your answer would be 172.1703 g/ml
Proton 26
neutron 0
you can tell how many proton by the atomic number
This movement is known as convection or convection currents. This occurs due to the fact that warmer fluid is of lower density than colder fluid. This causes warmer fluid to rise and colder fluid to sink. This creates circulatory currents within the body of the fluid.
Its b because it explains it better than a waterfall does