प्रवाल भित्तियों की उत्पत� – McqOptions

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1.	प्रवाल भित्तियों की उत्पत्ति से संबंदीत भू-अवतलन सिद्धान्त का प्रतिपादन किसने किया है ?
A.	डेली
B.	मर्रे
C.	डार्विन
D.	गार्डिनर
Answer» D. गार्डिनर

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