Answer:
Zimmermann rejected the assumption of fixity. Resources are not known, fixed things; they are what humans employ to service wants at a given time. To Zimmermann (1933, 3; 1951, 14), only human "appraisal" turns the "neutral stuff" of the earth into resources.[3] What are resources today may not be tomorrow, and vice versa. According to Zimmermann, "resources are not, they become."[4] "According to the definition of ew Zimmerman, the word ,"resource " does not refer to a thing but to a function which a thing may perform to an operation in which it may take part,namely,the function or operation of attaining a given end such a satisfying a want.
Explanation:
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Your answer would be trade. Hope this helps!
I can't understand this it's a different language
