Respuesta :
Answer:
C. Physical hazard
Explanation:
Please mark brainliest! Hope it helped!
Improper washing of the hand is a physical hazard.
Physical hazard is caused as a result of touch or contact e.g when one doesn't wash his or her hand properly and then eats with the hand.
Biological hazards are microorganisms like parasites, bacteria, viruses, etc.
Chemical hazards are the substances that have a negative impact on ones health. They can lead to skin problems, breathing difficulties etc. Examples are pesticides, acid etc.
Read related question on:
https://brainly.com/question/7310653