0 • A • B • C • D • E • F • G • H • I • J • K • L • M • N • O • P • Q • R • S • T • U • V • W • X • Y • Z
1: Active solar heating system 2: Community 3: Soil 4: Bird abatement 5: Weed 6: Range 7: Feeder 8: Lead 9: Japan 10: Periplaneta americana 11: Electricity 12: Contamination 13: Process 14: Change 15: Hazard 16: Atmosphere 17: Fishery 18: Function 19: Action 20: Development (As of 10:22)
German: FrischwasserFresh Water are water resources free from salt that are critical to living organisms ;
3 percent of the water on Earth is fresh (the rest is salt water), and 95 percent of fresh water resources are groundwater