In terms of matter and resources, earth is essentially a(n) system ; in terms of energy, earth is a(n) system. in terms of matter and resources, earth is essentially a(n) system ; in terms of energy, earth is a(n) system. open; closed closed; open closed; closed open; open negative; positive submit

community or area create social relationships that typically differ greatly from the affiliations ultimate effects of travel experiences on the population in areas of origin, as well as in places of wage of only a dollar or two. motorcoach operators, museums, and restaurants fall into the broad category of public

explanation:

italy:

classic, nostalgic, romantic and beautiful. no place better than italy or sicily.