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.
Dead zones are low-oxygen<span>, or hypoxic, areas in the world's oceans and lakes
(answer is dead zones)</span>
The answer is C. Producers make food which os then consumed then decomposers eat the remains.
The answer is C. They destroy the ozone layer
Answer:
Its A- A mutation causes cells to divide without stopping.
Explanation:
