Density that is determined by a balance between gravity and pressure
Distillation is the process of separating homogeneous mixtures -and a solution is a homogenous mixture, so this is the correct answer!
A homoogeneous mixture is a mixture in which the elements are mixed so well, that the mixture has a similar composition in all its parts. A heat can be applied to this mixture then to separate the parts - this is destination!
He was working with electrons
The correct answer would be B nuclear fission because an atom is splitting into two large fragments of comparable mass
