Anthropogenic Impacts 29 Springer
(e.g., volcanic activity and oil seeps) and anthropogenic sources, although the inputs from anthropogenic sources (e.g., fossil fuel combustion, waste incineration, munici-pal and industrial wastewaters, and land runoff) typically predominate in estuaries (Kennish, 1992). The low-molecular-weight PAHs are toxic than the high-molecular.Activity is a necessity that provides much of the materials used in traditional hard flooring, such as granite, limestone, marble, sandstone, slate and even just clay to make ceramic tiles. However, like many other man-made activities (anthropogenic factors), quarrying activities.