Which of the following types of hazards spread quickly worldwide because of human mobility?
1. noninfectious diseases
2. chemical hazards
3. biological hazards
4. physical hazards

3. biological hazard

Explanation:

Any hazard that can be carried around the world and spread through contact can be spread quickly, specially owing to the mobility of humans. Noninfectious diseases cannot be transferred via human mobility as it is noninfectious. Chemical hazard require the chemical to be physically transported without the need for human itself. Physical hazard, as well, require the hazard to be transported or travel on its own without the influence or interference of humans. Biological hazard can be transmitted via human body as they become the carrier of the hazard.

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if im wrong correct me but have a blessed day!

answer; protectionism fosters competition and keeps price regulated;