Academic Task 1 Question July 2006 Ozone Hole Size over Antarctica - 4,000 c 3 ,000 0 c 2,000 0 ] 1 ,000 � 0 1 980 1985 Three Damaging Gases to Ozone Layer 80 A: CFC- 1 1 , A B: CFC- 1 2 c 60 C: N,O '§ 3 40 B c c 20 0 1 980 1 985 1 990 1 995 2000