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ella [17]
2 years ago
5

Oceanic crust is much thicker and denser than continental crust. true/ false

Geography
1 answer:
Julli [10]2 years ago
8 0

It is false that oceanic crust is much thicker and denser than continental crust.

Oceanic crust is substantially thinner, with an average thickness of only 6 km (4 miles), compared to the mean thickness of the continental crust of 40 km (25 miles).

The difference in the average heights of the continental and oceanic crust is a result of the varying densities of the lithospheric rock.

<h3>What is Oceanic crust?</h3>
  • The topmost layer of the oceanic tectonic plate is known as the oceanic crust.  
  • The solid topmost mantle layer is covered by the crust. Basalt, gabbro, and peridotite make up the dense (3.3 g/cm) and thin (6 km) oceanic crust.

Learn more about Oceanic crust here:

brainly.com/question/5637320

#SPJ4

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andrey2020 [161]

The site called "Los Glaciares National Park" is the UNESCO site located in the southern hemisphere.

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Hence, the Option A is correct.

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5 0
2 years ago
1. a: deposition and tilting of the older sediments (original horizontality) 3. b: deposits of the upper horizontal sedimentary
adell [148]

Events in the order from oldest to youngest are deposits of the lower horizontal sedimentary rocks, deposition, and tilting of the older sediments, metamorphism of the schist, emplacement of the granite, and deposits of the upper horizontal sedimentary rocks (superposition).

In 1669 Nicolaus Steno made the primary clear articulation that strata (layered rocks) show consecutive changes, that's, that rocks have histories.

From his work within the mountains of western Italy, Steno realized that the rule of superposition in stratified (layered) rocks was the key to connecting time to rocks.

In brief, each layer of sedimentary shake (moreover called a “bed”) is more seasoned than the one over it and more youthful than the one underneath it.

Steno’s straightforward run of the show of superposition has come to be the foremost essential guideline of relative dating.

Steno initially created his thinking from perceptions of sedimentary rocks, but the rule moreover applies to other surface-deposited materials such as magma streams and beds of fiery debris from volcanic eruptions.

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brainly.com/question/1176147

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Although part of your question is missing, you might be referring to this full question:

Using the statements below and your knowledge of the principles of superposition, original horizontality, and cross-cutting relationships, put the geologic events in the order from oldest to youngest (first to occur to the most recent).

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