Final answer:
When transporting pesticides, containers must be secured in the cargo area with no passengers allowed in that part, to minimize exposure and potential accidents.
Step-by-step explanation:
When transporting pesticides in a vehicle, it is essential to prioritize safety procedures to minimize risks associated with exposure to these potentially hazardous chemicals. The correct answer is C. Secure containers in the cargo area and never allow anyone to ride in this part of the truck. Proper stowage of pesticides helps prevent accidents and ensures that the risk of inhalation or contact with the skin is minimized for everyone involved, including the driver, passengers, other road users, and the wider environment. Pesticides should never be transported within the passenger compartment or placed in areas where they are likely to be accessible by unauthorized personnel or the public.