Soil 9881. Humus . Soils . Peat 9881 . The unconsolidated mineral or organic matter on the surface of the earth that serves as a natural medium for the growth of land plants. . 0.61
Surface Properties. Properties, Surface . Property, Surface . Surface Property . Characteristics or attributes of the outer boundaries of objects, including molecules. . 0.56
Air Characteristics. Air Physical Characteristics . Air Chemical Characteristics . Air Nature . Air Properties . 0.54
Permafrost. Permafrost Region . Permafrost Soil . Permafrost Zone . Permafrost Soils . Permafrosts . Soil, Permafrost . Soils, Permafrost . Perennially frozen layer of soil below the surface in tundra. . 0.52
Soil Pollution. Harmful alteration of the original features of the soil due to solid waste disposal, to the overuse of fertilizers and to the indiscriminate use of pesticides. . 0.51
Environmental Pollution. Pollution, Environmental . Soil Pollution . Pollution, Soil . Pollution . Environmental Contamination . Contamination of the air, bodies of water, or land with substances that are harmful to human health and the environment. . 0.51
