2 years ago

In fish, what is the advantage of countercurrent exchange in the gills?.

1 answer:

6 0

It removes a high percentage of oxygen from water. (More than 80% of oxygen is removed from the water as a result of countercurrent exchange.)

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<h3>What is a variable?</h3>

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Now these are the variables that are involved in this experiment:

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Learn more about experiment variable:brainly.com/question/16550062?

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