Question

Contrast and compare physical, chemical and biological hazard.

Answer 1

·  Physical hazards are conditions or situations that can cause the body physical harm or intense stress. Physical hazards can be both natural and human made elements.

·  Chemical hazards are substances that can cause harm or damage to the body, property or the environment. Chemical hazards can be both natural or human made origin.

·  Biological hazards are biological agents that can cause harm to the human body. Some biological agents can be viruses, parasites, bacteria, food, fungi, and foreign toxins.

Answer 2

Answer:

Physical Hazards are occupational hazard which involves environmental hazards which can cause harm with or without contact. these physical hazards include ergonomic hazards , radiation, heat and cold stress.

Chemical Hazards are a type of occupational hazards which is caused by the exposure to the chemical in a work place. Being exposed to the chemicals at the workplace which can cause acute or long term health problems.

Biological Hazards are also known as bio-hazards which refers to a biological substance that give a threat to the health of a living organism specially of humans. This can include medical waste or sample of micro organism, toxin or virus which can badly affect the human health.