यदि ज्वालामुखीय राख परतें कई स्थानों पर समान रासायनिक पहचान दिखाएँ तो उनका उपयोग किसमें होगा?
If volcanic ash layers show the same chemical identity at several sites what can they be used for?
Explanation opens after your attempt
D. समय सहसंबंधTime correlation
Concept
Ash layers with the same chemical identity can be linked to one eruption. Exam tip: understand ash as a time-marker bed.
Why this answer is correct
The correct answer is D. समय सहसंबंध / Time correlation. Ash layers with the same chemical identity can be linked to one eruption. Exam tip: understand ash as a time-marker bed.
Exam Tip
समान रासायनिक पहचान वाली राख परतें एक ही उद्गार से जुड़ सकती हैं। परीक्षा में राख को समय संकेतक परत समझें।
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