Sludge can be disposed of by going to landfills or used on agricultural fields. Describe one potential problem linked to this.

The moths will eventually become extinct

The salt in the sea water dehydrated the sailor because her body could not take in the amount to salt in the sea water

Can you write it in english

Na+ loss through sweet plus the dilution has lowered na+ concentration outside of neurons, altering the na+ equilibrium potential. sodium exists more outside the cells than inside. when na+ is lost by sweat plus the dilution( because they drink a lot of water) changes the concentration outside the cell, forcing the water to enter the cell and attempt to balance the concentration inside/outside.the problem is that the abundance of water will cause the cells to swell. most cells can adapt, however, the brain cells can't that's why the runner has confusion and can't control the muscles.  if not treated and this occurs in less than 48 hours, it can be immediately fatal .