Q. What is the amount of Iron in Earth (percentage in total mass)?
Answer: 34.6%
Notes: The iron makes up about 34.6% of Earth's mass and 5.2% of Earth's crust. The other metals there are aluminium, silicon etc. The abundant metal Iron is truly one of Earth's essential building blocks.
Question Source: 📚This question has been sourced from GKToday's "40000+ GK / General Studies MCQs for SSC & State PCS Exams" App Exclusive Course in GKToday Android Application which provides more than 40K General Knowledge and General Studies questions with explanations asked in all Competitive Exams of India. Download the app here.
📌 Question Number: 10 in Geology Geological Time Earths Internal Structure in the above course in App.

This Question is Also Available in:

हिन्दीಕನ್ನಡ