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World Geography - General Knowledge Questions
Which of the following is present in the largest amount in terms of percent by mass in the earth's crust
A)
Oxygen
B)
Calcium
C)
Silicon
D)
Carbon

Correct Answer :   Oxygen

Oxygen is by far the most abundant element in the earth's crust. Scientists estimate oxygen comprises nearly half of the mass of the crust. It also accounts for 21 percent of Earth's atmosphere.

Published On : July 1, 2021
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