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: Soil 3: Feeder 4: Community 5: Carbon 6: Range 7: Fishery 8: Lead 9: Water 10: Contamination 11: Electricity 12: Condition 13: Uptake 14: Change 15: Conservation 16: Current 17: Hazard 18: Japan 19: Process 20: Atom (As of 14:30)
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