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Bubble free aeration systems requires
Options:
A .  silicone tubing or gas permeable membranes to facilitate gas transfer
B .  carbon dioxide instead of air to supply oxygen
C .  silicone tubing or gas permeable membranes to remove carbon dioxide by oxygen in the form of hydrogen peroxide
D .  filled headspace of the reactor with carbon dioxide
Answer: Option A
Answer: (a).silicone tubing or gas permeable membranes to facilitate gas transfer
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