Solved UPSC CDS/OTA Question
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Q · Internal Structure of The Earthmedium · 45s
What element is abundant in Earth's outer core?
TopicInternal Structure of The Earth
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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The outer core is primarily composed of liquid iron mixed with nickel.
Final Answer: Option B - Iron