Q52
Which one of the following elements is most abundant in the earth's crust?
A.
Oxygen
AnswerB.
Sulphur
C.
Silicon
D.
Carbon
Answer: Option A
Solution
Answer: Option A
Solution:
Oxygen is the most abundant element in the Earth's crust. Oxygen makes up 467,100 ppm (parts per million) of the Earth's crust, or 46.6%.