: Dioxins are a group of compounds that are persistent in the environment and can accumulate in the food chain. These are highly toxic and can cause reproductive problems, damage the immune system, and also cause cancer. Determine the maximum contaminant level (MCL) in units of (a) mg/L, (b) ppmm, and (c) ppbm, if according to the USEPA, the highest level of a Dioxin (2,3,7,8-TCDD) that is allowed in drinking water is 0.18 kg in 6 cubic kilometers.

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.

b) the inside picture would look at a very high temperature in a very low ph