Considering the work processes described in the text, choose the correct alternative: The risk factors depend on the type of activity being perfor...

Considering the work processes described in the text, choose the correct alternative:

The risk factors depend on the type of activity being performed and the work process of each sector of a company.
In the metallurgy sector, welding involves exposure to heat, noise, fumes, and mists.
In the cleaning sector, bacteria and dishwashing products are risk factors.
In the meatpacking industry, working in refrigerated environments such as cold rooms is a risk factor.
a. Chemical risk factor: cleaning products and cold; physical risk factor: heat, noise; biological risk factor: bacteria.
b. Physical risk factor: heat, noise; biological risk factor: bacteria, cold; chemical risk factor: cleaning products.
c. Biological risk factor: bacteria; physical risk factor: noise, heat, cold; chemical risk factor: cleaning products, fumes, and mists.
d. Physical risk factor: noise; chemical risk factor: cleaning products, heat, and mists; biological risk factor: bacteria.