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weeeeeb [17]
3 years ago
7

A catalyst is a ______.

Biology
2 answers:
laiz [17]3 years ago
7 0

Answer:

a substance that increases the rate of a chemical reaction without itself undergoing any permanent chemical change.

mestny [16]3 years ago
7 0

Answer:

A substance that speeds up chemical reactions.

Explanation:

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