When the level of carbon dioxide in the blood is too high the excess carbon dioxide reacts with water and produces carbonic acid. the carbonic acid causes the blood ph to become more acidic. when the blood ph becomes too acidic, chemoreceptors in the brain instruct the body to react and maintain homeostasis in the blood ph. wich of these responses by the body would eliminate the excess carbon dioxide and help maintain homeostasis in the blood ph?

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it has to be understood that the sea water contains a huge amount of sodium and chlorine ions and if they enter the cell of the atlantic cod fish, the cell will shrivel and the fish will die. to avoid such a condition, the fish uses active transport for the purpose of removing the ions against the gradient.

explanation:

the atlantic cod is not a maritime osmoconformer. its native application of salts is less than that of the seawater it lives in. it is continually falling water from the gills to the ocean via osmosis.

countering that, the fish is going to be swallowing seawater. but since its internal collection of salts is lower than seawater, the fish will want to go free of excess salt, and since that's going upon a gradient, then active transport, requiring energy, must be used to pump out the salt. much marine fish use the organs to filter out the salt and these fish discharge very straight urine.

the answer is c. altitude. hope this ! #brainiac