soil constituents
61human disease — Introduction an impairment of the normal state of a human being that interrupts or modifies its vital functions. health versus disease Before human disease can be discussed, the meanings of the terms health, physical fitness, illness …
62cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… …
63fruit farming — Introduction growing of fruit crops, including nuts, primarily for use as human food. The subject of fruit and nut production deals with intensive culture of perennial plants, the fruits of which have economic significance (a nut is a …
64Fly ash — Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification Fly ash is one of the residues generated in combustion, and comprises the fine particles that rise with the flue gases. Ash which does not… …
65Urine — (from Latin Urina, ae, f.) is a typically sterile (in the absence of a disease condition)[1] liquid by product of the body that is secreted by the kidneys through a process called urination and excreted through the urethra. Cellular metabolism… …
66Water well — Village pump redirects here. For information on Wikipedia project related discussions see Wikipedia:Village pump. Water well at the Wald monastery in Germany. A water well is an excavation or structure created in the ground by digging, driving,… …
67Benzene — For other uses, see Benzene (disambiguation). See also: Benzole Benzene …
68coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
69art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
70No net loss wetlands policy — No net loss is the United States government s overall policy goal regrading wetlands preservation. The goal of the policy is to balance wetland loss due to economic development with wetlands reclamation, mitigation, and restorations efforts, so… …
