Which of the following is true about gas liquid contacting with respect to jet mixers?

• A. Regular agitators are more effective than jet mixers for gas liquid contacting
• B. Jet mixer allows us to use the same power with less gas usage, or, same gas usage with less power consumption
• C. Great bubble surface formed by jet mixers, reduces the efficiency of gas liquid contacting
• D. Less bubble surface formed by jet mixers, increases the efficiency of gas liquid contacting