Answer:
Decantation is a process to separate mixtures by removing a liquid layer that is free of a precipitate, or the solids deposited from a solution
Sieving is a physical mechanism of particle removal, where a particle is denied access through a pore or passageway that is smaller than the particle itself.
Filtration is a physical, biological or chemical operation that separates solid matter and fluid from a mixture with a filter medium that has a complex structure through which only the fluid can pass.
Evaporation is a type of vaporization that occurs on the surface of a liquid as it changes into the gas phase.
Using magnets They power speakers in stereos, earphones, and televisions. Magnets are used to store data in computers, and are important in scanning machines called MRIS (magnetic resonance imagers), which doctors use to look inside people's bodies.
