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What is The arrows shown in the asthenosphere represent the inferred slow circulation of the plastic mantle by a process called?
The arrows shown in the asthenosphere represent the inferred slow circulation of the plastic mantle by a process called mantle convection. This process involves the movement of heat from the Earth's core towards the surface, creating a pattern of circulation that drives plate tectonics and other geologic phenomena.
Evidence of sea-floor spreading?
Other than abundant matching fossils and sedimentary rock on opposite sides of the Atlantic Ocean and the apparent puzzle piece appearance of the continents on either side of the Atlantic, there is the presence of the mid-oceanic ridges, areas where new oceanic crust is created. The magnetic orientation of the basaltic oceanic crust as it forms is the mirror image of the magnetic orientation of the basaltic oceanic crust on the other side of the ridge, indicating that the seafloor is spreading in both directions away from ridge. Additionally, the dating of rock on the ocean floor has shown that oceanic crust and overlying sediment become progressively younger as the mid-ocean ridge is approached. And finally, accurate measurements have been made by global positioning devices which verify that seafloor spreading is occurring.
What rock shown is composed primarily of large crystals that were formed by -?
The rock shown is likely composed of large crystals that were formed by slow cooling inside the Earth's crust, allowing mineral grains to grow to a visible size. This process typically occurs in intrusive igneous rocks like granite or pegmatite.
How many buildings are shown on the map?
There are 12 buildings shown on the map.
How does geological evidence move the continents apart?
Geological evidence has shown that the movement of tectonic plates, which make up the Earth's crust, is responsible for the continents moving apart. This movement is driven by the process of seafloor spreading, where new oceanic crust is formed along mid-ocean ridges, pushing the continents farther apart over time. This evidence is supported by studies of magnetic anomalies in seafloor rocks and the distribution of fossils and rock formations across different continents.
What process is shown occurring at C and what does it occur?
In a process taking tens of millions of years, part of the ocean floor sinks back into the mantle at deep ocean trenches.
What process is shown occurring at c and why does I occur?
Be the mountain is bad
Which ocean covers most of the area shown on the Robinson projection map?
Pacific ocean
Which ocean covers the most area shown on the Robinson projection map?
Pacific Ocean
Which oceans are shown in the northern hemisphere?
Arctic Ocean,Atlantic Ocean,and Pacific Ocean
What is shown by magnetic minerals spreading from a mid ocean ridge?
That magnetic minerals spreading from a mid-ocean ridge
What is shown by magnetic minerals spreading from a mid-ocean ridge?
That magnetic minerals spreading from a mid-ocean ridge
What is shown by magnetic minerals spreading from mid ocean ridge?
That magnetic minerals spreading from a mid-ocean ridge
How the process shown would terminate?
yes
Why is the ocean considered the birthplace of life?
Because it has been shown beyond doubt that the first form of life was ocean-borne.
Describe the energy changes occurring in the process shown above?
the water is different from one on the right
What oceans are shown in the northern hemisphere?
The Arctic, North Atlantic and North Pacific oceans are all in the northern hemisphere.
