geographic barrier
91river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …
92environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
93New Jersey — This article is about the U.S. state of New Jersey. For other uses, see New Jersey (disambiguation). NJ redirects here. For other uses, see Nj (disambiguation) …
94Appalachian Mountains — Appalachian redirects here. For the region, see Appalachia. Appalachian Mountains Appalachians Range …
95coastal landforms — ▪ geology Introduction any of the relief features present along any coast, the result of a combination of processes, sediments, and the geology of the coast itself. The coastal environment of the world is made up of a wide variety of… …
96Ernest Shackleton — Infobox Person name = Ernest Henry Shackleton image size = 180px caption = Ernest Shackleton birth date = birth date|1874|2|15|df=yes birth place = Kilkea, County Kildare, Ireland death date = dda|1922|1|5|1874|2|15|df=yes death place = South… …
97Dugong — Dugong[1] Temporal range: Early Eocene–Recent …
98Bedbug — Taxobox name = Bedbug image width = 250px image caption = Cimex lectularius regnum = Animalia phylum = Arthropoda classis = Insecta ordo = Hemiptera subordo = Heteroptera familia = Cimicidae familia authority = Kirkaldy, 1909 subdivision ranks =… …
99Cheikh Anta Diop — Pan African topics General Pan Africanism Afro Asian Afro Latino Colonialism …
100Deepwater Horizon oil spill — 2010 oil spill and BP oil spill redirect here. For other oil spills in 2010, see 2010 oil spill (disambiguation). For the 2006 oil spill involving BP, see Prudhoe Bay oil spill. For the drilling rig and explosion, see Deepwater Horizon… …
