The correct technical term for decay which is the progressive breaking down or dissolving of tooth structure, caused by the acid produced when bacteria digest sugars.
Стање које произилази из утицаја рапидног опадања атмосферског притиска на тело. Симптоми укључују проширен бол, бол у грудима, кратак дах и кому. Стање може бити ...
The flow of an element through the living tissue and physical environment of an ecosystem; e. g., the carbon, hydrogen, oxygen, nitrogen, sulfur, and phosphorus cycles."
A method of prenatal testing in which amniotic fluid is withdrawn from the uterus through a needle. The fluid and the fetal cells it contains are analyzed to detect biochemical or ...
Katastrofa koja se desila u Černobiljskoj elektrani 1986, gdje je jedan od četiri nuklearna reaktora u elektrani eksplodirao, rezultirajući da je bar ...