livigrace7834 livigrace7834
  • 03-10-2019
  • Geography
contestada

17. Which element makes up the greatest % of the Earth's crust? a. potassium K b. sodium Na c. oxygen O d. hydrogen H e. silica

Respuesta :

Kristiania Kristiania
  • 04-10-2019

Answer:

c. oxygen

Explanation:

Oxygen -

The most abundant element of the Earth's crust is the oxygen , which constitutes to 46.6 % .

Oxygen is mainly found in the combined form as , phosphates , carbonates .

It has many application in the field of medicine , industries and commercial purpose .

In hospital it is used for the treatment of respiratory diseases .

Hence , the most abundant element on planet earth is c. oxygen  .

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