answer choices . Overall, the crust makes up very little of the Earth's mass, so the other layers, which are the mantle, outer core and inner core, are much thicker. Which sphere forms Earth's outermost layer? Which of the following models would best represent the inner and outer core of Earth, based on the physical characteristics of each layer? Refraction. The earth behaves like a huge magnet. The outermost layer of Earth that consists of the crust and the uppermost part of the mantle. The solid, outer layer is called the crust. Sometimes, hot molten rock, called magma, bursts through Earth’s surface in the form of a volcano. Inner core. You have guessed it, high temperatures are the name of the game here. Called shear or secondary waves. They travel only through solids. Which of Earth’s layers would be best modeled as a metallic sphere? For the purpose of this module, however, humans will be included as part of the biosphere. This layer is under constant attack from the X-rays and UV radiation coming from the Sun and the space around us. Atmosphere The atmosphere contains all the air in Earth's system. Containing everything from the ocean basins to continents, the crust is the outermost layer of the Earth. The outer core is a liquid mix of iron and nickel, but the inner core is solid metal. It traps electrons (negative charge) and protons (positive), concentrating them in two bands about 3,000 and 16,000 km above the globe - the Van Allen "radiation" belts. Beneath the mantle lies the core. The oldest rocks in the lithosphere are more than 4 billion years old. Asthenosphere, zone of Earth’s mantle lying beneath the lithosphere and believed to be much hotter and more fluid than the lithosphere. In relative terms, it's thickness is like that of the skin of an apple. The Earth's crust is an extremely thin layer of rock that makes up the outermost solid shell of our planet. All the rocks on Earth make up the rigid sphere of Earth known as the lithosphere. Atmosphere Biosphere Cryosphere Hydrosphere 1 See answer xiangeneration is waiting for your help. The asthenosphere extends from about 100 km (60 miles) to about 700 km (450 miles) below Earth’s surface. soap5471 soap5471 Answer: I believe the answer is A. This outer region surrounding the earth, where charged particles spiral along the magnetic field lines, is called the magnetosphere. Mantle. Below the crust lies a layer of very hot, almost solid rock called the mantle. The sphere of solid nickel and iron at the center of Earth; surrounded by the liquid outer core. A lithosphere (Ancient Greek: λίθος [líthos] for "rocky", and σφαίρα [sfaíra] for "sphere") is the rigid, outermost shell of a terrestrial-type planet or natural satellite.On Earth, it is composed of the crust and the portion of the upper mantle that behaves elastically on time scales of thousands of years or greater. It is broken into plates. The word "biosphere" will be used in reference to all living things in Earth's system. Get an answer to your question “Which sphere forms Earth's outermost layer?Atmosphere Biosphere Cryosphere Hydrosphere ...” in Physics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions. Add your answer and earn points. ***Note: Some scientists place humans in their own sphere called the "anthrosphere." If you could speed up time, you’d see rocks in the lithosphere continuously cycling from within the planet. It amounts to less than half of 1 percent of the planet's total mass but plays a vital role in most of Earth's natural cycles. Heat from deep within Earth is thought to keep the The lithosphere is hard, brittle and old. The layer that is located between 500 and 1000 km above the Earth’s level is known as the thermosphere.

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