when the first man tripped and fell on it.
The Earths crust is approximately 650 km deep.
The 2nd most abundant in the earth's crust and has 14 neutrons is silicon In 1824 Silicon was discovered by a Swedish chemist.
The sudden vibration in the plates inside the crust causes the earths crust to rise & fall.
mantle
Yes, many of the most common metals found in the Earth's crust, such as iron, aluminum, and copper, were among the earliest metals to be discovered and utilized by humans due to their prevalence and utility in various applications.
The earth's crust is not stress
half of earths layer
continental crust
crust
The earth's crust is generally solid.
The crust is the thinnest part on the Earth.
crust