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It is known that oxygen contains 1 percent of the air. If 50 liters of wind, how much oxygen is needed? *
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It is known that oxygen contains 1 percent of the air. If 50 liters of wind, how much oxygen is needed? *

User BrownRecluse
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6 votes

Answer:

25 PRECENT

Step-by-step explanation:

User Dixon Steel
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