Final answer:
B. Human rights code
The Human Rights Code is the provincial act that deals with discrimination in the workplace, ensuring protection against unfair treatment based on various factors like race, gender, or religion.
Step-by-step explanation:
The provincial act that deals with discrimination in the workplace is the Human Rights Code. This act ensures that individuals are protected from discrimination in various areas, including employment. Workplace discrimination involves unfair treatment based on race, gender, national origin, religion, or sexual orientation. The Occupational Health and Safety Act (OHSA) primarily protects workers from health and safety hazards at the job, not discrimination. Therefore, the correct answer to the question of what provincial act deals with discrimination in the workplace is option B, the Human Rights Code.