WebDescribe the Earth's internal structure in terms of both chemical composition and physical properties. The earth is divided into three layers, a crust, a mantle and a core, that differ in their chemical composition. The crust is the thin outer layer, consisting primarily of oxygen, silicon and aluminum. It is further subdivided into continental ... WebThe asthenosphere (from Ancient Greek ἀσθενός (asthenós) 'without strength') is the mechanically weak and ductile region of the upper mantle of Earth. It lies below the …
Slip Sliding Away Flashcards Quizlet
Webasthenosphere, zone of Earth’s mantle lying beneath the lithosphere and believed to be much hotter and more fluid than the lithosphere. The asthenosphere extends from about 100 km (60 miles) to about 700 km (450 miles) below Earth’s surface. crustal generation … subduction zone, oceanic trench area marginal to a continent in which, … earthquake, any sudden shaking of the ground caused by the passage of … convection, process by which heat is transferred by movement of a heated … lithosphere, rigid, rocky outer layer of the Earth, consisting of the crust and the … tectonic landform, any of the relief features that are produced chiefly by uplift or … There are three major types of magma. Basaltic (or mafic) magma predominates … Web16. Which of the following correctly describes the relationship between the lithosphere and asthenosphere? [Unit 1, Lesson 4] A. The lithosphere is composed of the same materials as the asthenosphere. B. The asthenosphere rides or floats on the lithosphere. C. The lithosphere rides or floats on the asthenosphere. D. rules for flying through moa
Question Video: Describing the Asthenosphere Nagwa
WebAug 6, 2024 · The Asthenosphere can be described as the highly viscous portion of the upper mantle. Based on the options given, the suitable characteristics of the asthenosphere is Pressure is higher than crust. The asthenosphere is very popular for its viscous nature and hence being consistently solid is not it's characteristic. WebD. the asthenosphere is strong and rigid b Which of the following statements correctly describes the asthenoshphere? A. it is a thin, cold, and rigid layer B. it is the source of Earth's heat C. it permits plate motion D. it occurs only near subduction zones c In the plate tectonics theory, the lithosphere is divided into __________ WebNov 17, 2024 · The correct option is D. Huge fragments of the upper mantle and crust make form tectonic plates. Both continental and oceanic crust make up their composition. Mid-ocean ridges and the significant faults that delineate the plate boundaries are subject to earthquake activity. Why does the earth have tectonic plates? scaruffi beach boys