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What was the primary reason that Wegener's theory faced skepticism from the scientific community?

It lacked sufficient evidence to support the existence of Pangaea.

It proposed that continents could move across the ocean floor. (correct)

It contradicted existing theories of volcanic activity.

It failed to explain the geological similarities between continents.

Which of the following evidence supported the theory of plate tectonics as a resolution to Wegener's ideas?

The static nature of the continental rocks.

The expanding floor of the Atlantic Ocean. (correct)

The discovery of fossil plants isolated to specific continents.

The constant magnetic field of the Earth.

How does the theory of plate tectonics relate to the concept of supercontinents?

It explains supercontinents only through volcanic activity.

It disputes that any past supercontinents could have ever existed.

It suggests supercontinents cannot exist due to continental drift.

It forecasts that continents will eventually drift back together to form a new supercontinent. (correct)

What aspect of magnetic fields supported Wegener's theory in light of plate tectonics?

The magnetic field has fluctuated and shifted over time. Signup and view all the answers

What geological feature linked the red sandstone deposits from northeastern Europe to parts of North America?

A band of red sandstone. Signup and view all the answers

What is the primary function of tectonic plates?

To float on top of the mantle Signup and view all the answers

What was the predominant theory regarding Earth's surface changes prior to the 1700s?

Catastrophism Signup and view all the answers

Which of the following best describes uniformitarianism?

The premise that current geological processes are similar to those in the past Signup and view all the answers

Who was the mapmaker that suggested the Americas were torn away from Europe and Africa?

Abraham Ortelius Signup and view all the answers

What layer of the Earth do tectonic plates float upon?

The mantle Signup and view all the answers

What aspect of geology was opposed to the idea of gradual changes in Earth's surface?

Catastrophism Signup and view all the answers

Which of the following statements is true regarding the movement of tectonic plates?

They are large areas of solid rock that can move in relation to each other. Signup and view all the answers

Which statement best defines 'theory' in the context of geology?

A systematic explanation of how geological processes work Signup and view all the answers

What did Alfred Wegener propose about Earth's landmasses?

They were once joined together in a supercontinent named Pangaea. Signup and view all the answers

What evidence supports the theory that continents were once joined?

The similarity of mountain structures in different continents. Signup and view all the answers

What was one proposed intermediate stage between Pangaea and today’s continents?

Laurasia and Gondwanaland. Signup and view all the answers

Which fossil evidence was used by Wegener to support his theory?

The fossilized plant Glossopteris. Signup and view all the answers

What characteristic of continent shapes supports Wegener's theory?

They fit together like puzzle pieces. Signup and view all the answers

According to Wegener's theory, how long ago did Pangaea begin to split apart?

200 million years ago. Signup and view all the answers

Which of the following statements about geological structures is true according to the theory?

Certain mountain ranges show structural similarities despite being in separate continents. Signup and view all the answers

Which regions provided coal evidence in support of the theory of continental drift?

Britain and the northeastern United States. Signup and view all the answers

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This quiz explores a variety of subjects in a general format. It is designed to test your knowledge on various topics, encouraging critical thinking and recall. Prepare to engage with a diverse range of questions that challenge your understanding.