What are useful and harmful materials?

Answers

sponge

absorb water

Cleaning dirty plates

none

useful

nasaan po yung tanong?pakiayos

identify and classify the materials if it is useful or harmful

1.✓

2.✓

3.×

4.✓

5.×

1.Empty bottles,old newspaper,fruit peelings

2.

Pencil ballpen. knife,sword, hammer


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