many states offer esl as a primary endorsement such as oklahoma english as a second language p 12 connecticut tesol pk 12 and washington d c english as a second language for public school teachers other states that do not offer esl as a primary endorsement offer esl as an add on endorsement
Definition of biohazard. : a biological agent or condition that is a hazard to humans or the environment; also : a hazard posed by such an agent or condition.
Noun. 1. biopsy-examination of tissues or liquids from the living body to determine the existence or cause of a disease. diagnostic assay, diagnostic test-an assay conducted for diagnostic purposes. blood test-a serologic analysis of a sample of blood.