Use of English · Part 2
The long-term consequences of rising consumption (0) HAVE already been demonstrated empirically. In an experiment in sustainability, four intrepid 'bioneers' were sealed in Biosphere 2, a massive airtight structure covering 1.25 hectares (1) .......... the Arizona desert. After two years, the occupants quit due to…
Desbloqueja tots els exàmens, simulacions il·limitades, les 80 fases del joc i molt més.