GK
WORLD GEOGRAPHY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which one of the following is present in the largest amount in terms of percent by mass in the earth’s crust?
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Silicon
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Oxygen
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Carbon
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Calcium
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Explanation:
Detailed explanation-1: -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.
Detailed explanation-2: -The Earth’s core accounts for 15% of Earth’s volume but more than 30% of the mass, the mantle for 84% of the volume and close to 70% of the mass, while the crust accounts for less than 1% of the mass.
Detailed explanation-3: -Oxygen, nitrogen, hydrogen, and carbon are the most abundant elements in Earth’s biosphere.
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