What are the common Hazard and Risk?

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A health hazard: Any organism, chemical, condition, or circumstance that may cause injury or illness.

A physical hazard is an agent, factor or circumstance that can cause harm with contact. They can be classified as type of occupational hazard or environmental hazard.

Risks:

Risk is the possibility of a harm arising from a particular exposure to a chemical substance, under specific conditions.

Crossing the street presents the hazard of getting hit by a passing car. But risk is the likelihood of harm actually occurring.

Explanation:

the answer would be c

the correct answer would be b. amelia, because the particals of gas move really fast (charged particals) and gas also has a lot of room (particals move independently) so the only answer that has both of those is amelia's.