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महासागरीय कवच प्रामुख्याने कोणत्या प्रकारच्या खडकापासून बनलेले आहे?

Aबेसाल्टिक खडक
Bग्रॅनाईट दगड
Cवाळूच्या खडकाचा थर
Dचुनखडीचा थर
Answer & Solution
Correct answer: A. बेसाल्टिक खडक
महासागरीय कवच प्रामुख्याने दाट बेसाल्टिक ज्वालामुखी खडकांपासून बनलेले आहे.
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