Which alternative presents the correct statements about the identification of chemical hazards? I - The identification of chemical hazards consists...

Which alternative presents the correct statements about the identification of chemical hazards?
I - The identification of chemical hazards consists of seeking information about the physical-chemical characteristics of the substances, their toxicological effects in experimental and epidemiological studies, and their environmental impact, and at this stage, the qualitative risk profile is defined, determining the degree of toxicity of the substances.
II - The identification of chemical hazards is the process of determining the likelihood that a substance will cause harm in a given situation.
III - The identification of chemical hazards is the process of determining the degree of exposure to a substance that can cause harm.
IV - The identification of chemical hazards is the process of determining the degree of risk of a substance based on its cost-benefit ratio.

a. Only statement I is correct.
b. Only statement II is correct.
c. Only statement III is correct.
d. Statement IV is correct and statements II and III are incorrect.
e. All statements (I, II, III, and IV) are correct.