Podcast
Questions and Answers
According to Frank B. Taylor, what caused the movement of continents?
According to Frank B. Taylor, what caused the movement of continents?
- Volcanic eruptions
- Tides (correct)
- Earthquakes
- Meteor strikes
What was the flaw in Alfred Wegener's 'Continental Drift' theory?
What was the flaw in Alfred Wegener's 'Continental Drift' theory?
- Failure to explain the role of earthquake activity
- Unexplained reason for continents being connected now (correct)
- Lack of evidence for the supercontinent Pangea
- Inability to account for the existence of mountain ranges
According to Arthur Holmes, what is the main driving force behind the movement of tectonic plates?
According to Arthur Holmes, what is the main driving force behind the movement of tectonic plates?
- Magnetic fields
- Solar radiation
- Convection currents (correct)
- Gravitational pull
What technological advancement resulting from World War II was later used to determine water depths?
What technological advancement resulting from World War II was later used to determine water depths?
Harold Hess is credited with the discovery of which oceanic feature?
Harold Hess is credited with the discovery of which oceanic feature?
What did the discovery of seafloor spreading by Harold Hess and Robert S. Dietz demonstrate?
What did the discovery of seafloor spreading by Harold Hess and Robert S. Dietz demonstrate?
What did Tuzo Wilson propose in relation to hotspots in the mantle?
What did Tuzo Wilson propose in relation to hotspots in the mantle?
How do hotspot tracks contribute to understanding tectonic plate movements?
How do hotspot tracks contribute to understanding tectonic plate movements?
What is the significance of the magnetic polarity stripes found in basalts at mid oceanic ridges?
What is the significance of the magnetic polarity stripes found in basalts at mid oceanic ridges?
What is the role of transform margins according to Tuzo Wilson's description?
What is the role of transform margins according to Tuzo Wilson's description?
