search
arrow-left Previous
Next arrow-right
Q: Identify the element that is most prolific in the crust of the earth.
  • A. Oxygen
  • B. Silicon
  • C. Hydrogen
  • D. Iron
Correct Answer: Option A - The uppermost layer over the earth's surface is called the crust. About 98 percent of the total crust of the earth is composed of eight elements like Oxygen (46.60%), Silicon (27.72%), Aluminium (8.13%), Iron (5%), Calcium (3.63%), Sodium (2.83%), Potassium (2.59%), and Magnesium (2.09%), and the rest is constituted by Titanium, Hydrogen, Phosphorous, Manganese, Sulphur, Carbon, Nickel and other elements
A. The uppermost layer over the earth's surface is called the crust. About 98 percent of the total crust of the earth is composed of eight elements like Oxygen (46.60%), Silicon (27.72%), Aluminium (8.13%), Iron (5%), Calcium (3.63%), Sodium (2.83%), Potassium (2.59%), and Magnesium (2.09%), and the rest is constituted by Titanium, Hydrogen, Phosphorous, Manganese, Sulphur, Carbon, Nickel and other elements

Explanations:

The uppermost layer over the earth's surface is called the crust. About 98 percent of the total crust of the earth is composed of eight elements like Oxygen (46.60%), Silicon (27.72%), Aluminium (8.13%), Iron (5%), Calcium (3.63%), Sodium (2.83%), Potassium (2.59%), and Magnesium (2.09%), and the rest is constituted by Titanium, Hydrogen, Phosphorous, Manganese, Sulphur, Carbon, Nickel and other elements