(Encyclopedia) Northern Cape, province (2011 pop. 1,145,861), 144,015 sq mi (372,889 sq km), NW South Africa. In 1994, under South Africa's post-apartheid constitution, Northern Cape was created from…
(Encyclopedia) Adirondack MountainsAdirondack Mountainsădˌərŏnˈdăk [key], mountain mass, NE N.Y., between the St. Lawrence valley in the north and the Mohawk valley in the south; rising to 5,344 ft (…
The following table lists the worst floods, landslides, avalanches, tidal waves and mudslides in history. 1228 Holland: 100,000 people reputedly drowned by sea flood in Friesland. 1642…
THE ROCK CYCLE WHAT ARE IGNEOUS ROCKS? WHAT ARE SEDIMENTARY ROCKS MADE OF? HOW ARE METAMORPHIC ROCKS CREATED? MINERALS CRYSTALS GEMSTONES FIND OUT MORE
Earth’s crust is made of…
A heat wave is a prolonged period of excessive heat, generally ten degrees or more above average, often combined with excessive humidity. This kind of heat kills. After only…
(Encyclopedia) Labrador-UngavaLabrador-Ungavalăbˈrədôrˌ-əngāˈvə, –əngävˈə [key], peninsular region of E Canada, c.550,000 sq mi (1,424,500 sq km), bounded on the W by Hudson Bay, on the N by Hudson…
(Encyclopedia) Frick, Henry Clay, 1849–1919, American industrialist, b. Westmoreland co., Pa. He worked on his father's farm, was a store clerk, and did bookkeeping before he and several associates…
(Encyclopedia) subsidence, lowering of a portion of the earth's crust. The subsidence of land areas over time has resulted in submergence by shallow seas (see oceans). Land subsidence can occur…
