Biology, 28.11.2019 23:31, dvnive

An advantage of gas exchange in fresh water, compared with gas exchange in air, is that
a. water usually contains a higher concentration of oxygen than air
b. ventilation requires less energy in water
c. the respiratory surface does not have to be as extensive in water
d. water is easier to move over the respiratory surface
e. water loss through evaporation across the respiratory surface can be minimized

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An advantage of gas exchange in fresh water, compared with gas exchange in air, is that
a. w...