Question

Silicon present in Earth crust is ------------------------------------------------------ a)28℅ b)47% c)78% d)11%

Answer 1

Approximately by weight it is 27.7 %.

Hope it helps you..........

Answer 2

About 28% of the earth's crust is composed of silicon

Option a

Explanation:

• Silicon is the most abundant molecule which is found in the crust of the earth. It is usually found in the deeper layers of the earth. it is followed by aluminium as the second most abundant molecule.

• A significant amount of silicon comes to the surface of the earth during volcanic eruption signifying that it also represents a significant part of the upper mantle of the earth.

To know more about silicon in the earth's crust,

name any three elements of the earths crust - Brainly.in

https://brainly.in/question/1314598