Supply and demand. The higher the demand and the lower the supply, the higher the value.
scarcity
scarcity
workers
Resource Pricing
Time
scarcity
scarcity
scarcity
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the food you eat
that metals are malleable, luster, and are good conducters
workers
there are energy constraints
somthing that will effect the survival of an organism
the size and weight of the component
does coca cola have a economic factor
The length of the vessel determines what equipment is required.