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nadya68 [22]
3 years ago
8

Please help I will reward Brainly . Thank you for the help in advance

Chemistry
1 answer:
bekas [8.4K]3 years ago
5 0
Usually you just need to give it rest for 6-12 weeks. depending on how large it is surgery may be needed
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Answer:

1.7 ppm

Explanation:

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