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Molodets [167]
3 years ago
6

A catalyst is: one answer only pls help lol

Chemistry
2 answers:
lora16 [44]3 years ago
8 0

Answer:

the second one

Explanation:

it makes the most sense

natka813 [3]3 years ago
3 0
A catalyst is a substance that speeds up a chemical reaction.
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