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Anon25 [30]
2 years ago
8

When hydrogen and oxygen combine to form water, water is

Biology
1 answer:
docker41 [41]2 years ago
7 0

Answer:

D. A product.

Explanation:

The water can't be an enzyme, catalyst or reactant because it was not present  before or during the reaction. It was only present after the reaction, so it is a product.

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