Answer:
B
Explanation:
It must <em>always </em>be buried quickly that's the whole point.
They use a internal pouch which is named swim bladder.
Explanation; Oxygen will enter a fish’s mouth, and passes through their gills. The oxygen will be taken and gets carried by hemoglobin through their bloodstream. Hemoglobin will take out some of the oxygen into their swim bladder. The amount of oxygen will show if they will sink or rise. Your question is how do they rise. If he goes up too much, the meaning of this is when the gas diffuses into their blood and out the gills.
Got this from a writing, but rephrased it.
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Answer:
I think its D or B. Not sure but its either one
Answer:
The answer is A because the water has strong surface tension, I didn't know why but I know it's surface tension holding it up so it has to be A
