Whales and Seals Increase Their Floatation by ________

question 18

Multiple Choice

Whales and seals increase their floatation by ________.

• A) filling their swim bladders with large quantities of gas
• B) storing large quantities of low-density fat
• C) blowing bubbles while swimming
• D) storing nitrogen in their blood
• E) having specialized air cavities in their bones

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