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exis [7]
3 years ago
8

Please help

Biology
1 answer:
Jlenok [28]3 years ago
3 0

Answer: It’s very rare thing to happen, so I would either say A, 50% or D, 0%. Sorry if this wasn’t much help.

Explanation:

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Learn more about sequence of travel by an impulse through the cardiac conduction system at brainly.com/question/28269433

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