Salmon are masters of osmoregulation. They are able to control both body fluids and ions during the transition from fresh water to salt water and back again. Young salmon, called smolt, are born of eggs hatched in freshwater and must prepare for life in the salty ocean. The young salmon will soon be bathed in ocean water that is about three times as concentrated as its body fluids, meaning that it will tend to lose water to its surroundings all of the time. All BUT ONE adaptation helps the salmon survive the change from fresh water to salt water.

european union policies. the eu's long-term objective is to achieve levels of air quality that do not result in unacceptable impacts on, and risks to, human health and the environment. eu policies aim to reduce exposure to air pollution by reducing emissions and setting limits and target values for air quality.

the main environmental problems in western europe were: energy production/acid rain, nuclear power/waste, air pollution/climate, heavy metals, pesticides, water pollution, solid waste, and unforeseen accidents. many environmental problems are common to most european countries.

answer; ///i believe that the correct answer is (e); check first good

there's no big difference.

explanation:

the only little different between a rabbit and bunny is just that bunnies are much smaller than rabbits. bunnies are basically baby rabbits.