The ‘Great Barrier Reef’ is primarily composed of?
AVolcanic rock
BCoral
CSandstone
DLimestone
Explanation
• The reef is built by colonies of tiny organisms known as coral polyps.
• It is the world’s largest coral reef ecosystem.
• It supports a vast array of marine life.
Exam Relevance
- Topic: Competitive Exams
- Subtopic: FPSC/PPSC Past Papers
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