Answers

2016-03-28T11:02:46+05:30
1) all substance exist in any one from of matter
2) they take up space and have mass
3 ) they are made of molecules and atoms
4) they have a certain temperature
5) they have melting ,boiling,freezing points

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2016-03-28T12:53:38+05:30
All substances are consist of atoms which in turn contain subatomic particles like electrons and protons.
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