Science, asked by 008serena, 4 months ago

please tell the answer of this page​

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Answered by azreenmfff
1

Answer:

HOPE it HELPS

Explanation:

Across=

3.A fire work has a chemical change

6.mysolutions.

8.Change

11.Serium and Thorium

12.Change

Down=

1.Elements

2.Valence

4.Aristotle

5.Propotions

7.chemical reaction

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