Answer:
2. sieving: sieving is when you trying to drain something example, sand draning it using water, noodles and water
filtration: separating solid from a liquid when a mixture passes through of sand and water is filtered
decantation: example like water and oil when you try to mix them the oil or water will not mix like example mud and water but when you try to mix muddy water and clear water it does mix
evaporation: dissolve in water to form copper during evaporation
using magnet: when you mix something magnetic and you mix gold withit only the magnetic will only comes.
sorry yan lang alam ko