This question has options. Select from options: Read this fact: "if something is a raw material in a process then that something is required for that process"

Now answer this question: "If something is a raw material in a process, then that something is"

Pick from:
(a). degraded during the process;
(b). man made before the process;
(c). a required during production like labor and capital;
(d). only used in the final phase;
(c).