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A sphere of radius r has surface area 4πr 2.. The surface area (symbol A) of a solid object is a measure of the total area that the surface of the object occupies. [1] The mathematical definition of surface area in the presence of curved surfaces is considerably more involved than the definition of arc length of one-dimensional curves, or of the surface area for polyhedra (i.e., objects with ...
A cross-section view of a compression seal. In geometry and science, a cross section is the non-empty intersection of a solid body in three-dimensional space with a plane, or the analog in higher-dimensional spaces.
Goldenbridge (Irish: An Droichead Órga) is a stop on the Luas light-rail tram system in Dublin, Ireland.It opened in 2004 as a stop on the Red Line. [1] The stop is located next to a lock on a section of track which runs alongside the Grand Canal, near Goldenbridge Cemetery.
Google Classroom is a free blended learning platform developed by Google for educational institutions that aims to simplify creating, distributing, and grading assignments. . The primary purpose of Google Classroom is to streamline the process of sharing files between teachers and students.
CARA authorizes over $181 million to respond to the epidemic of opioid use disorder and is intended to greatly increase both prevention programs and the availability of treatment programs. While this bill authorized prevention and treatment programs, funding for its provisions had to come through Congress's appropriations process.
Mozilla Firefox, or simply Firefox, is a free and open source [12] web browser developed by the Mozilla Foundation and its subsidiary, the Mozilla Corporation.It uses the Gecko rendering engine to display web pages, which implements current and anticipated web standards. [13]
"Big Joe" rock on Mars—viewed by the Viking 1 Lander (February 11, 1978). The soil resembled those produced from the weathering of basaltic lavas.The tested soil contained abundant silicon and iron, along with significant amounts of magnesium, aluminum, sulfur, calcium, and titanium.
George Walker Bush [a] (born July 6, 1946) is an American politician who served as the 43rd president of the United States from 2001 to 2009. A member of the Bush family and the Republican Party, he is the eldest son of the 41st president, George H. W. Bush, and was the 46th governor of Texas from 1995 to 2000.