The Whole Saga of the Supercontinents

What is paleogeography?

• The study of how life adapts to climate change.

• The study of how the physical face of Earth has transformed over time.

• The study of how continents move across the ocean floor.

• The study of ancient civilizations and their geographical locations.

Who first proposed the idea of continental drift?

• Marie Tharp

• Alfred Wegener

• Bruce Heezen

• Charles Darwin

What are the two key mechanisms behind plate tectonics?

• Volcanic eruptions and earthquakes.

• Continental erosion and deposition.

• Seafloor spreading and subduction.

• Glacial movement and weathering.

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What was a significant characteristic of the supercontinent Pangea?

• It was entirely covered by shallow seas.

• Its interior regions were mostly uninhabitable due to lack of moisture.

• It was formed by the collision of all continents at the North Pole.

• It was the first supercontinent to form on Earth.

What was a primary cause of the Permian-Triassic extinction and the Triassic-Jurassic extinction events?

• Impacts from large asteroids.

• Massive volcanic eruptions.

• Sudden global cooling.

• Rapid sea-level rise.