What contribution did Arthur Holmes make to the Theory of Continental Drift?
Understand the Problem
The question asks about Arthur Holmes's contribution to the theory of continental drift. It requires identifying his specific idea related to the mechanism of continental movement.
Answer
Arthur Holmes proposed that mantle convection drove continental drift.
Arthur Holmes contributed to the theory of continental drift by suggesting the mechanism of mantle convection in 1919. He proposed that continents are carried by the flow of the mantle, which is moving due to convection currents.
Answer for screen readers
Arthur Holmes contributed to the theory of continental drift by suggesting the mechanism of mantle convection in 1919. He proposed that continents are carried by the flow of the mantle, which is moving due to convection currents.
More Information
Alfred Wegener introduced the theory of Continental Drift. Arthur Holmes provided a mechanism to explain it.
Tips
A common mistake is thinking Wegener and Holmes developed the theory together. Wegener proposed the theory and Holmes suggested a mechanism for it.
Sources
- Arthur Holmes - Geological Society of Glasgow - geologyglasgow.org.uk
- Arthur Holmes - Wikipedia - en.wikipedia.org
- A Science Odyssey: People and Discoveries: Arthur Holmes - PBS - pbs.org
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