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%).