The fermenter is sealed off from the air except for a long narrow vent pipe, which allows carbon dioxide to escape from the fermenter. Since there is a constant flow of CO2 through the pipe, outside air is prevented from entering the fermenter, which reduces the threat of contamination by stray yeasts.
Answer:
no,
Explanation:
he did not betrayed anyone
Answer: C. Pulley.
Explanation: Your arms are lifting the weight which acts as a pulley.
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What made you want to come to English school?
What kind of sports do you like to play?
What kind of music do you like and whats your favorite band?
What are some fun things you like to do in Columbia?
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