a portion is a small amount of it
Oceanic
Oxygen is the most abundant element in the Earth's crust, making up about 46.6% of its mass.
The moving portion of Earth's crust and upper mantle is known as the lithosphere. It is broken into tectonic plates that float on the semi-fluid asthenosphere below, causing them to move and interact with each other, which leads to processes like earthquakes, volcanic eruptions, and mountain building.
The most common minerals found in Earth's crust are quartz, feldspar, and mica. These minerals make up a significant portion of the Earth's continental crust and are essential components of many rock types.
Oceanic crust is denser than continental crust. Oceanic crust has a density of about 3 g/cm^3, while continental crust has a lower density of about 2.7 g/cm^3.
The Earths crust is approximately 650 km deep.
Partially. However, a significant portion of it is also composed of igneous intrusions and metamorphosed sedimentary and igneous rocks.
The sudden vibration in the plates inside the crust causes the earths crust to rise & fall.
mantle
The earth's crust is not stress
half of earths layer
continental crust