Final answer:
A) General Shipboard Material. Volume I in the NAVSUP P-485 is General Shipboard Material.
Step-by-step explanation:
The Volume I of the NAVSUP P-485 is General Shipboard Material. It covers the supplies and equipment used aboard ships in the U.S. Navy fleet. This volume includes information on ordering, storing, and issuing materials, as well as inventory control and shipment. It provides guidelines and procedures for managing the ship's material resources to ensure efficient operations.