Question

Mention four environmental hazards

Answer 1

Answer:

Chemical

Physical (mechanical, etc.)

Biological

psychological

Answer 2

Answer:

Physical hazards, biological hazards, chemical hazards.

Explanation:

Physical hazards:-  These can result in coming in contact . Ex- Heat, cold,  

                                stress, vibration, noise, radiation.

Biological hazards:-   A biological substance that poses a threat to the

                                   health of living beings. Ex- Virus, toxins, bacteria.

Chemical hazards:-   A chemical hazard is a non-biological substance that

                                   has potential to cause harm to living organism. Ex-

                                    Acids, cleansing products, glues, pesticides,

                                     petroleum.