Calcium content in the Earth's crust<br /><br />Calcium is one of the most common chemical elements in the Earth's crust, and the Earth's crust is the surface layer of the Earth, which weighs 2.8 * 10^19 tons, of this mass, 3% is calcium (910.000.000.000.000.000 tons).<br /><br />#calcium #earth #Calciumcontent #Calciumearthcrust #Earthcrust #Earthcrustcomposition #Earthcrustmass #geology #chemicalelement
