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maksim [4K]
2 years ago
7

NEED HELP PLEASE HURRY

Chemistry
1 answer:
baherus [9]2 years ago
7 0

Answer:

I believe it would be the last 2

Explanation:

the 4th one is magnesium and something else but that's with decomposition and so is the last one. the first three has water and oxygen and stuff that doesn't rly do decomposition

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