Read each group of words.Write UE if the activity on separating mixture has a useful effect.Put an NE if it has no effect.
1.filtering water
2.sieving sand and pebbles
3.picking up stones in rice
4.sifting flour
5.extracting coconut milk
1.filtering water
2.sieving sand and pebbles
3.picking up stones in rice
4.sifting flour
5.extracting coconut milk
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Answer:
no.1 UE. no.2 UE no.3 UE no.4 UE no.5 UE