Respuesta :
The answer would be Oxygen. In terms of weight, it makes up 46.6% of the crust.
Answer with Explanation:
There are three most Common Elements found in Earth Crust
1.→Oxygen(46.6%)
2.→ Silicon (27.7%) and
3.→Aluminium (8.1%)
Apart from that Iron is also found in Earth Crust which is present in meager amount that is Approximately (5%).
Other Elements present in Earth crust are: Calcium, Sodium, Potassium, Magnesium,Titanium and Hydrogen.
So,the Most abundant Element in the earth's crust is Oxygen (46.6%).