A soft, grayish metal with poisonous salts; atomic number 82, atomic weight 207.2, symbol Pb.
D008297
Male
Males
D005260
Female
Females
D006801
Humans
Members of the species Homo sapiens.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014876
Water Pollution
Contamination of bodies of water (such as LAKES; RIVERS; SEAS; and GROUNDWATER.)
Thermal Water Pollution,Water Pollution, Thermal,Pollution, Thermal Water,Pollution, Water,Pollutions, Thermal Water,Pollutions, Water,Thermal Water Pollutions,Water Pollutions,Water Pollutions, Thermal
D014881
Water Supply
Means or process of supplying water (as for a community) usually including reservoirs, tunnels, and pipelines and often the watershed from which the water is ultimately drawn. (Webster, 3d ed)