Dr. Timothy R. McDermottABDULLAH MOHAMMED A ALOWAIFEER2022-06-022022-06-0237903https://drepo.sdl.edu.sa/handle/20.500.14154/62029THE APPLICATION OF MASS SPECTROMETRY IN ENVIRONMENTAL CHEMISTRY: INVESTIGATING BIOLOGICAL CYCLING OF ARSENIC, MERCURY AND GLYCINE BETAINE IN AQUATIC ECOSYSTEMSThesis