What are examples of divergent plate boundaries?
Regional SpecificsIn plate tectonics a divergent boundary is the boundary between two contiguous lithospheric plates that are separating. As the plates diverge, new material rises by magmatic processes from the Earth’s mantle, creating new lithosphere, so it is also called a constructive edge. The most active divergent edges are responsible for mid-oceanic ridges, where the mid-oceanic
What are you supposed to do in an earthquake?
Regional SpecificsIf you are able, seek shelter under a sturdy table or desk. Stay away from outer walls, windows, fireplaces, and hanging objects. If you are unable to move from a bed or chair, protect yourself from falling objects by covering up with blankets and pillows. What are the 5 things to do during an earthquake?
What forces magma upward?
Regional SpecificsA magma chamber is a large pool of liquid rock beneath the surface of the Earth. The molten rock, or magma, in such a chamber is less dense than the surrounding country rock, which produces buoyant forces on the magma that tend to drive it upwards. What causes magma to rise upward? Magma can rise
How do aretes cirques and horns form?
Regional SpecificsAn arête is a thin, crest of rock left after two adjacent glaciers have worn a steep ridge into the rock. A horn results when glaciers erode three or more arêtes, usually forming a sharp-edged peak. Cirques are concave, circular basins carved by the base of a glacier as it erodes the landscape. How are
Is Fulsomely a word?
Regional SpecificsIs it fulsome or Fullsome? In the United States, the compound fullsome takes its signification from full, in the sense of cloying or satiating, and in England, fulsome takes its predominant sense from foulness. Webster’s assertion that full and foul share etymological roots is incorrect. Is fulsome a real word? It’s true that today fulsome
Are Rocks always made of minerals?
Regional SpecificsNearly all rocks are made of minerals. A few are made of materials that do not fit the definition of minerals. Igneous rocks form from cooled magma or lava. Metamorphic rocks form as an existing rock is altered by high temperature or pressure. What rock is not made by minerals? Igneous rocks are rocks that