The full form of GRAS is Generally Recognized as Safe.
GRAS is a designation used by the U.S. Food and Drug Administration (FDA) to indicate that a substance added to food is considered safe based on a history of common use in food or scientific evidence.
Consider the following statements:
(A) Availability is generally conserved.
(B) Availability can neither be negative nor positive.
(C) Availability is the maximum theoretical work obtainable.
(D) Availability can be destroyed in irreversibility's.