WitrynaQ. Based on the diagram, which process explains why less dense, hot magma rises to the surface to displace denser, cooler magma? answer choices . conduction. diffusion. radiation. convection. ... Q. Old oceanic crust is more dense than new oceanic crust because it is. answer choices . hotter. moving toward a deep ocean trench. cooler. Witryna30 mar 2024 · Slightly more than a ... diffuses down from the top and represents crust as a simple material of lower density with no difference between continental and oceanic crust. ... discovered in the late 1950s from oceanographic questions about salinity variations in thermally stratified flows with more recent applications to magma cooling …
Magma - Wikipedia
WitrynaThe mantle is made up of semi-molten rock called magma. ... The crust is the outer layer of the Earth. It is a thin layer between 0 - 60 km thick. ... denser tectonic plates sink … WitrynaThe magma is heated and becomes less dense by the core moving it toward the crust The lava lamp has a light bulb as a heat source at its base. The lamp contains a … number line plot
Magma
WitrynaThey're in our atmosphere. And the core, once again, its composition is fundamentally different than the mantle and the crust. We believe that it's mainly metals, and in particular iron and nickel. So that's the structure of the layers of the earth from a composition point of view, from a chemical point of view. Witryna6 maj 2024 · The magma produced, being less dense than the surrounding rock, moves up through the mantle, and eventually into the crust. Figure 3.2. 4 Common sites of magma formation in the upper mantle. The black circles are regions of partial melting. The blue arrows represent water being transferred from the subducting plates into the … Witryna21 wrz 2024 · Magma is a liquid rock that is below the surface of Earth. Magma is typically located within the crust and in the upper mantle. Magma is liquid rock found within Earth. Magma is found... number line plain