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Across

• 1. Trees will grow quicker, be resistent to disease and reducethe amount of chemicals needed in making paper if they are... (11, 8)
• 5. The british chemical company that developed the first fully biodegradable polymer, polyhydroxybutrate in the early 1990s. (6)
• 6. The first uses for Biopol in the packaging industry were to produce blow moulded..........as the material is water resistant and an effective barrier against air. (7, 7)