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Who in the 1930s suggested convection currents operating in the mantle?
AArthur Holmes
BHarry Hess
CAlfred Wegener
DEdward Bullard
Answer & Solution
Correct answer: A. Arthur Holmes
1. Radioactive elements cause thermal differences.
2. Arthur Holmes proposed mantle convection.
3. It later influenced Hess.
_Source: NCERT Class 11 Fundamentals of Physical Geography, Chapter 4, Distribution of Oceans and Continents._
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