Comprehensive and Detailed in Depth Explanation:

Seasonal workers are hired to meet temporary staffing needs during specific times of the year, such as holidays (e.g., retail workers during Christmas) or harvest seasons (e.g., agricultural workers). They are employed for a defined period to handle increased workloads.

Option A (On-call workers): These workers are available as needed but not specifically tied to a time of year; they are more flexible and sporadic.

Option B (Seasonal workers): Correct, as they are specifically hired for predictable, seasonal demands.

Option C (Part-time contractors): These workers have a set schedule but are not necessarily tied to a specific time of year.