Which element is the most abundant in Earth’s crust?
ASilicon
BIron
COxygen
DAluminum
Explanation
• Oxygen makes up nearly 47% of the Earth’s crust by weight.
• It is primarily bonded with other elements to form silicate and oxide minerals.
• It is essential for most life forms on Earth.
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC Past Papers

No Comments