What causes the increased salinity of lagoon water?

the shallow depths increases the rate of evaporation
the water passes through the barrier picking up large amounts of salt
the lagoon water picks up extra salt deposited in the beach sand
no access to freshwater deposits to balance out the salinity

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism