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.
â refers to materials that present a risk or potential risk to the health of humans, animals, or the environment. They can be infectious agents or chemicals or other products that can damage the environment. Certain chemotherapy drugs and most laboratory reagents fall into the biohazardous material category.