Yes or close to it.
Copper sulphate found naturally in the Earth's crust is typically in the form of chalcanthite.
Bronze is not obtained from the Earth's crust. Bronze is a man made alloy of Copper and Tin.
They can be recycled.
The amount of crust present on Earth always stays the same. The amount of crust descending into the mantle is balanced by the amount of crust formed at mid-ocean ridges.
Iron , Aluminium and Copper Can Be Found , Also Gold Can Be Found Uncombined in the Earths Crust .
The Earths crust is approximately 650 km deep.
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
The earth's crust is generally solid.