The classification of property rights regime based on the whether the resource is excludable and ___ in nature.

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.

Physical systems is the answer

Yes what can i with

There are no put the options so we can assist you ! put it on then i'll answer it ! did you not put the options on intentionally by any chance?