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matrenka [14]
4 years ago
13

Witch event always involves a chemical change

Biology
2 answers:
vichka [17]4 years ago
8 0

Answer:

d

Explanation:

JUST TOOK THE TEST

storchak [24]4 years ago
6 0
1.burning
2.combustion
3.polymerization
4.fermentation
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<h3 /><h3>Positive and negative reinforcement</h3>

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brainly.com/question/3262992

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