किस स्थिति में चुंबकीय पट्टियाँ समुद्र-तल प्रसरण का कमजोर प्रमाण बनेंगी?
In which situation would magnetic stripes become weak evidence for sea-floor spreading?
Explanation opens after your attempt
A. यदि वे रिज के दोनों ओर असममित और बिना क्रम की होंIf they are asymmetrical and unordered on both sides of the ridge
Concept
Unordered and asymmetrical stripes would not prove systematic spreading. In exams, consider symmetry and order as the key conditions.
Why this answer is correct
The correct answer is A. यदि वे रिज के दोनों ओर असममित और बिना क्रम की हों / If they are asymmetrical and unordered on both sides of the ridge. Unordered and asymmetrical stripes would not prove systematic spreading. In exams, consider symmetry and order as the key conditions.
Exam Tip
बिना क्रम और असममित पट्टियाँ व्यवस्थित प्रसरण को सिद्ध नहीं करेंगी। परीक्षा में सममिति और क्रम को मुख्य शर्त समझें।
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