34. Which of the following is NOT a result of the formation of ocean ice? A) The salt remains in the water. B) The surrounding water sinks. C) Water salinity decreases. D) The water becomes denser.

16. Even at low levels, ______ A) the nervous system has produced detrimental effects by lead. B) lead’s detrimental effects are producing the nervous system. C) lead produces detrimental effects on the nervous system. D) the detrimental effects produced by lead on the nervous system.