Accumulate+gradually
51Marine 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… …
52Late Middle Ages — The Late Middle Ages is a term used by historians to describe European history in the period of the 14th and 15th centuries (AD 1300–1499). The Late Middle Ages were preceded by the High Middle Ages, and followed by the Early Modern era… …
53gather — gatherable, adj. gatherer, n. /gadh euhr/, v.t. 1. to bring together into one group, collection, or place: to gather firewood; to gather the troops. 2. to bring together or assemble from various places, sources, or people; collect gradually: The… …
54government — governmental /guv euhrn men tl, euhr men /, adj. governmentally, adv. /guv euhrn meuhnt, euhr meuhnt/, n. 1. the political direction and control exercised over the actions of the members, citizens, or inhabitants of communities, societies, and… …
55Actinide — The atomic bomb dropped on Nagasaki had a plutonium charge.[1] The actinide or actinoid (IUPAC nomenclature) series encompasses the 15 metallic chemical elements with atomic numbers from 89 to 103, actinium thro …
56History of Austria — This article is part of a series Early History …
57Astronomy — (from the Greek words astron (ἄστρον), star , and nomos (νόμος), law ) is the scientific study of celestial objects (such as stars, planets, comets, and galaxies) and phenomena that originate outside the Earth s atmosphere (such as the cosmic… …
58Paleoclimatology — (also Palaeoclimatology) is the study of climate change taken on the scale of the entire history of Earth. It uses records from ice sheets, tree rings, sediment, and rocks to determine the past state of the climate system on Earth. Reconstructing …
59House of Saud — Saud redirects here. For the Pakistani actor, see Saud (actor). For the Romanian village of Săud, see Bunteşti. House of Saud Country Diriyah, Najd and Saudi Arabia Tit …
60Geologic temperature record — The Geologic temperature record are changes in Earth s environment as determined from geologic evidence on multi million to billion (109) year time scales.Evidence for past temperaturesOur evidence for past temperatures comes mainly from isotopic …
