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Usimov [2.4K]
3 years ago
10

Does anyone know know this answer plz??

Health
2 answers:
tia_tia [17]3 years ago
8 0

Answer: The first one

Explanation:

Scientists were able to identify the causes of some illness, like tiny bacteria or viruses.

jolli1 [7]3 years ago
8 0
Answer : 1st for sure
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