1.Paper Chromatography. This method is often used in the food industry. ...
2.Filtration. This is a more common method of separating an insoluble solid from a liquid. ...
3.Evaporation. ...
4Simple distillation. ...
Fractional distillation.
Answer:
Regeneration means that an organism regrows a lost part, so that the original function is restored.
Ventilation is very important because it helps remove the gas form people’s homes and schools and it redirects the random gas outside so it is less likely to hurt people
The source of the earth's magnetic field is found in the ;LIQUID MAGNETIZED IRON IN THE CORE OF THE EARTH. The earth's magnetic field is believed to be generated very deep down in the earth's core as a result of molten iron which it contains.