Earth's crust and upper mantle
WebDec 15, 2024 · The outermost layer, Earth's crust, goes about 19 miles (30 kilometers) deep on average on land. At the bottom of the ocean, the crust is thinner and extends about 3 miles (5 kilometers) from the seafloor to … Webthe earth's outermost layer. inner core. the metallic layer at the earth's center. lower mantle. the hottest part of the mantle. asthenosphere. the semi-solid layer between the …
Earth's crust and upper mantle
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WebApr 8, 2024 · The oceanic crust is mainly composed of basalt rock rich in silica and magnesium. It ranges in thickness from just a few miles at ocean-spreading centers such … WebEarth-27 is a dynamic reinvention of the DC Comics Universe, created by Roy Westerman. Combining the best elements of various timelines and continuities together, it is intended …
WebThe theory of _________________________ states that Earth's crust and upper mantle are broken into sections. plates These sections, called ______________, are composed … WebThe Earth’s crust is its lightest, most buoyant rock layer. Continental crust covers 41percent of the Earth’s surface, though a quarter of that area is under the oceans. The …
WebWhich one of the following best characterizes the asthenosphere? Select one: a. a zone of softened peridotite in the upper mantle b. a layer of soft, solid, magnesium silicates and molten iron droplets at the base of the mantle c. a zone of hardened, silicate rock at the base of the oceanic crust WebThe Moho ____________. a. is found deeper underneath continents than under oceans. b. lies at uniform depth everywhere it is found in Earth. c. is found well below the crust/mantle boundary. d. is found deeper underneath oceans than under continents. a. is found deeper underneath continents than under oceans.
WebEarth's crust is Earth's thick outer shell of rock, referring to less than 1% of Earth's radius and volume. It is the top component of the lithosphere, a division of Earth's layers that …
WebJan 17, 2016 · The mantle extends down to 2,890 km into the Earth's surface Temperatures that range from 500 to 900 degrees Celsius in the upper portion to over 4,000 degrees Celsius near the core boundary.... how far is tucson az from phoenix azWebCompared to Earth's crust, Earth's core is believed to be more dense, hotter, and composed of more iron The accompanying diagram shows some features of Earth's crust and upper mantle. Which model most accurately shows the movements (arrows) associated with the surface features shown in the diagram? how far is tufts universityWebThe oceanic crust, which is rich in basalts from volcanic activity, show distinct components that provides information about the evolution of the Earth's interior over the geologic timescale. Incompatible trace elements become depleted when mantle melts and become enriched in oceanic or continental crust through volcanic activity. how far is tucson from maricopa azWebFeb 14, 2024 · Structure of the Earth Lithosphere (sphere of rock) The term lithosphere is used to describe the rigid outer part of the Earth, consisting of the crust and upper mantle. how far is tucson from scottsdaleWebThe mantle is composed of denser rocks, on which the rocks of the crust float. On geologic timescales, the mantle behaves as a very viscous fluid and responds to stress by flowing. Together the uppermost mantle and … how far is tucumcari from abqWebFeb 14, 2024 · The rigid outer part of the earth, consisting of the crust and upper mantle. is a relatively cool, rigid shell and averages about 100 km in thickness and called the: a. asthenosphere. b. lithosphere. c. stratosphere. d. cryosphere. Questions 6-9 apply to the Structure of the Earth Diagram below. how far is tucson to prescott azWebEarth-27 is a dynamic reinvention of the DC Comics Universe, created by Roy Westerman. Combining the best elements of various timelines and continuities together, it is intended … high cholesterol heart disease correlation