In a laboratory experiment, john uses a mesh to separate soil particles from water. what technique of separation is he using? chromatography distillation filtration fragmentation condensation

John is using Filtration

They are like other investigations? say there was a murder u have to do blood test and finger prints which run through a lab. 

Okay well gravitational energy is matter forced by gravity making energy though the kinetic energy then the electric energy produces electricity from the kinetic energy and the kinetic energy gets its energy from the gravitational energy. was that the answer you wanted or something else?