harmful
121Water — This article is about general aspects of water. For a detailed discussion of its properties, see Properties of water. For other uses, see Water (disambiguation) …
122Internet censorship in the People's Republic of China — Part of a series on Censorship By media …
123Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …
124Lead poisoning — Classification and external resources An X ray demonstrating the characteristic finding of lead poisoning, dense metaphyseal lines. ICD 10 T …
125Orthomolecular medicine — Intervention MeSH D009974 Biologically based alternative and comple …
126Parents Television Council — Founder(s) L. Brent Bozell III Type Advocacy group Founded 1995 …
127Children's Internet Protection Act — The Children s Internet Protection Act (CIPA) requires that K 12 schools and libraries in the United States use Internet filters and implement other measures to protect children from harmful online content as a condition for the receipt of… …
128Marine pollution — While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm. Marine pollution occurs when harmful, or potentially harmful effects, can result from the entry… …
