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註釋Structure of the earth - Plates - Earthquakes - Volcanoes - Coasts - Waves and tides - Currents and drifts - Human impact on coastal zones - Natural hazards - Bushfires and floods - Atmosphere - Changing populations, birth and death rates and migration - Developing nations - Case study of Indonesia - Population limits - Resources - Renewable energy - Sustainable resources - Forest extinction - World heritage sites ( Australia) - Mountains - Mountain formation - desertification.