You would expect to find igneous or metamorphic rocks, depending on the depth.
If a layer of the crust is pushed up which of the following changes would you expect to see?
You WOULD expect to find metamorphic rocks in the recesses (deep layers) of the Earth's crust. But not in the mantle or core. Metamorphic means changed - and rocks - either sedimentary or igneous - get changed by the heat and pressures found in the deep crust.
Earth's crust would be silica. Living things would be carbon.
The crust is the least dense portion of the solid Earth because it is the thinnest layer.
The thickness of the Earth's crust is about 40 km in continental regions, like under mountain ranges. In oceanic regions, such as under the ocean floor, the Earth's crust is much thinner, around 8 km.
oceanic crust
If a layer of the crust is pushed up which of the following changes would you expect to see?
Those would be tectonic plates.
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rigid
That would be silicon, or SiO2
Earth's crust is very hard because it is made of rock. If it wasn't hard you would sink down into the Earth's core.
Gneiss is a part of the earths lower crust. No matter where you drill you will eventually uncover gneiss.
That I believe, would be the Earth's Crust.