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Does anyone know know this answer plz??

Does anyone know know this answer plz??-example-1
User Prajo
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2 Answers

4 votes
Answer : 1st for sure
User Omer Zak
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8 votes

Answer: The first one

Step-by-step explanation:

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

User Youngho
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