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PolarNik [594]
3 years ago
13

This infectious disease requires a special mask for protection

Chemistry
2 answers:
11111nata11111 [884]3 years ago
6 0

Answer:

the black plague

Explanation:

Yuliya22 [10]3 years ago
6 0

Answer:

no

Explanation:

becuase the only way you need to have a special mask is if it was constantly changing

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