Final answer:
Cargo inspection should be done every 6 hours or 300 miles.
Step-by-step explanation:
The statement that accurately describes cargo inspection is option C. It should be done every 6 hours or 300 miles.
Cargo inspection is an important step in ensuring the safety and security of goods being transported. Regular inspections help identify any potential issues or hazards that may need immediate attention.
For example, in the transportation of perishable goods, regular inspections can help ensure that the cargo is being properly stored and maintained at the required temperature to prevent spoilage.