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Topography of Europe. Some geographical texts refer to a Eurasian continent given that Europe is not surrounded by sea and its southeastern border has always been variously defined for centuries. In terms of shape, Europe is a collection of connected peninsulas and nearby islands. The two largest peninsulas are Europe itself and Scandinavia to ...
Europe covers about 10.18 million km 2 (3.93 million sq mi), or 2% of Earth's surface (6.8% of land area), making it the second-smallest continent (using the seven-continent model). Politically, Europe is divided into about fifty sovereign states , of which Russia is the largest and most populous , spanning 39% of the continent and comprising ...
Fall line. A fall line (or fall zone) is the area where an upland region and a coastal plain meet and is noticeable especially where rivers cross it, with resulting rapids or waterfalls. The uplands are relatively hard crystalline basement rock, and the coastal plain is softer sedimentary rock. [1] A fall line often will recede upstream as a ...
Herodotus believed Europe to be larger than the other two continents: I wonder, then, at those who have mapped out and divided the world into Libya, Asia, and Europe; for the difference between them is great, seeing that in length Europe stretches along both the others together, and it appears to me to be wider beyond all comparison. [97]
Continental drift is the hypothesis, originating in the early 20th century, that Earth's continents move or drift relative to each other over geologic time. The hypothesis of continental drift has since been validated and incorporated into the science of plate tectonics, which studies the movement of the continents as they ride on plates of the Earth's lithosphere.
The Iberian Peninsula (IPA: / aɪ ˈ b ɪər i ə n /), [a] also known as Iberia, [b] is a peninsula in south-western Europe, defining the westernmost edge of Eurasia.Separated from the rest of the European landmass by the Pyrenees, it includes the territories of Peninsular Spain [c] and Continental Portugal, comprising most of the region, as well as the tiny adjuncts of Andorra, the British ...
A cenote ( English: / sɪˈnoʊti / or / sɛˈnoʊteɪ /; Latin American Spanish: [seˈnote]) is a natural pit, or sinkhole, resulting when a collapse of limestone bedrock exposes groundwater. The term originated on the Yucatán Peninsula of Mexico, where the ancient Maya commonly used cenotes for water supplies, and occasionally for ...
The Earth and most of the planets in the Solar System, as well as the Sun and other stars, all generate magnetic fields through the motion of electrically conducting fluids. [54] The Earth's field originates in its core. This is a region of iron alloys extending to about 3400 km (the radius of the Earth is 6370 km).