Search results
Results from the WOW.Com Content Network
Toxicity is the degree to which a chemical substance or a particular mixture of substances can damage an organism. [1] Toxicity can refer to the effect on a whole organism, such as an animal, bacterium, or plant, as well as the effect on a substructure of the organism, such as a cell (cytotoxicity) or an organ such as the liver (hepatotoxicity).
Hazardous material – Solids, liquids, or gases harmful to people, other organisms, property or the environment; Natural hazard – Conditions that could lead to a natural disaster; Occupational hazard – Hazard experienced in the workplace; Hazardous waste – Ignitable, reactive, corrosive and/or toxic unwanted or unusable materials
Varied carpet beetle larvae, Anthrenus verbasci, damaging a specimen of Sceliphron destillatorius in an entomological collection. A pest is any organism harmful to humans or human concerns. The term is particularly used for creatures that damage crops, livestock, and forestry or cause a nuisance to people, especially in their homes.
A hazard is an agent that can cause harm or damage to humans, property, or the environment. [10] Risk is the probability that exposure to a hazard will lead to a negative consequence, or more simply, a hazard poses no risk if there is no exposure to that hazard. Risk is a combination of hazard, exposure and vulnerability. [11]
The smoke includes detrimental gases such as carbon monoxide and sulphur dioxide. The high levels of pollution in the atmosphere form layers that are eventually absorbed into the atmosphere. Organic compounds such as chlorofluorocarbons (CFCs) have generated an opening in the ozone layer, which admits higher levels of ultraviolet radiation ...
In broad metaphorical (colloquial) usage of the term, "poison" may refer to anything deemed harmful. In biology, poisons are substances that can cause death, injury, or harm to organs, tissues, cells, and DNA usually by chemical reactions or other activity on the molecular scale, when an organism is exposed to a sufficient quantity.
The law also states that anyone who provides material deemed "harmful to minors"— defined as showing "nudity, sexual conduct, sexual excitement, or sadomasochistic abuse" while also being in the ...
Self-destructive behavior is any behavior that is harmful or potentially harmful towards the person who engages in the behavior. Self-destructive behaviors are considered to be on a continuum, with one extreme end of the scale being suicide. [1] Self-destructive actions may be deliberate, born of impulse, or developed as a habit.