... Africa 11 1Neptune 11 Netherlands 11 2 13 nickel 40, 41 nimbostratus clouds 88North America 10 8nuclear fusion 8, 9, 11 , 16 Ooases 67, 11 1obsidian 43oceans 11 , 14 , 17 , 19 , 20, 66,80– 81, 96, 12 2life ... to the atmosphere, contributing to climate change.689 10 7US _12 2 _12 3_WD207_Environment.ind123 12 3 9 /1/ 09 17 : 41: 45 12 0 _12 1_WD207_Cities.indd 12 1 16 /12 /08 17 :23:24 12 14873US _12 0 _12 1_WD207_Cities.indd ... 15 Arabian Desert 11 1Asia 92, 10 9Asteroid Belt 12 asteroids 9, 10 , 12 13 , 14 Atacama Desert 11 0Athens, Greece 12 0atmosphere 11 , 84–85, 87, 96early 17 , 19 , 80, 85planets 10 , 11 atmospheric pressure...