Five features of emerging adults. As Arnett describes it, emerging adulthood can be defined as an: Age of identity exploration. Young people are deciding who they are and what they want out of work, school and love. Age of instability.
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.
Biohazardous waste, also called infectious waste or biomedical waste, is any waste containing infectious materials or potentially infectious substances such as blood.Of special concern are sharp wastes such as needles, blades, glass pipettes, and other wastes that can cause injury during handling.iohazardous waste, also called infectious waste or biomedical waste, is any waste containing infectious materials or potentially infectious substances such as blood.