While both irritable bowel syndrome and inflammatory bowel disease can have similar symptoms including abdominal pain, diarrhea, and urgent bowel movements; however, IBS is not the same as IBD. IBD is a group of separate diseases that includes ulcerative colitis and Crohn's disease, and is a more severe condition.
psychrometer - a hygrometer consisting of a dry-bulb thermometer and a wet-bulb thermometer; their difference indicates the dryness of the surrounding air. dry-bulb thermometer - an ordinary thermometer with a dry bulb; used to measure the air temperature. hygrometer - measuring instrument for measuring the relative humidity of the atmosphere. wet-bulb thermometer - a thermometer with a bulb that is covered with moist muslin; used in a psychrometer to measure humidity.
Acid rain is a broad term that is often used to describe several forms of acid deposition. Wet deposition is when rain, snow, fog, or mist contains high amounts of sulfuric and nitric acid. When sulfur dioxide and nitrogen oxides are emitted into the atmosphere, they dissolve in water and fall as precipitation.