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Contents
- 1 How Did Opponents Of Continental Drift Account?
- 2 How did opponents of continental drift account for the existence of similar fossils on widely separated continents Brainly?
- 3 Who opposed the continental drift?
- 4 How does this account for continental drift work?
- 5 What did Wegener get wrong about continental drift?
- 6 Which of the following evidence does not support the continental drift theory?
- 7 What do Glossopteris fossils tell us about the early position of the continents?
- 8 Why did other scientists disagree with Wegener?
- 9 Why did scientists not accept the Continental Drift hypothesis quizlet?
- 10 What aspects of the Continental Drift theory is opposed by the seafloor spreading theory?
- 11 Who proposed the Continental Drift theory Brainly?
- 12 Who discovered Pangea?
- 13 How did Pangea break apart?
- 14 What accounts for the weakness of the continental drift theory?
- 15 What did Wegener use to support the continental drift hypothesis?
- 16 What are 6 pieces of evidence that support continental drift?
- 17 Which statement is supported by the theory of continental drift?
- 18 Which two pieces of fossil evidence supports the idea of continental drift?
- 19 How does the Glossopteris fossil support continental drift?
- 20 How does coal deposits support continental drift?
- 21 What does the discovery of Glossopteris in five continents suggest?
- 22 Which of the following was not used in support of the continental drift hypothesis?
- 23 What causes continental drift?
- 24 What other contributions did Alfred Wegener make towards science?
- 25
- 26 What other evidence did Wegener need in order to convince scientists that his theory of continental drift was correct quizlet?
- 27 Why do scientist think that lithosphere has to be destroyed somewhere on or in the earth?
- 28 What evidence did Pellegrini support his theory?
- 29 How does continental drift and seafloor spreading support plate tectonics?
- 30 How do evidence of continental drift and seafloor spreading prove that the plates move?
- 31 Who is the father of continental drift?
- 32 What caused the tectonic plates to move?
How Did Opponents Of Continental Drift Account?
Opponents of continental drift insisted trans-oceanic land bridges allowed animals and plants to move between continents [6]. … As Wegener collected more data he realized the explanation that best fit all the climate rock and fossil observations involved moving continents.Jun 8 2020
How did opponents of continental drift account for the existence of similar fossils on widely separated continents Brainly?
Some of the continents fit together fossils coal beds and mountain chains. How did opponents of continental drift account for the existence of similar fossils on widely separated continents? … He could not provide a mechanism for the movement of the continents.
Who opposed the continental drift?
In a 1964 Royal Society symposium devoted to continental drift some prestigious scientists such as Gordon MacDonald J. Lamar Worzel and sir Harold Jeffreys still opposed to the theory and defied the new evidence (Frankel 2012 148–232).
How does this account for continental drift work?
Wegener suggested that perhaps the rotation of the Earth caused the continents to shift towards and apart from each other. … Today we know that the continents rest on massive slabs of rock called tectonic plates. The plates are always moving and interacting in a process called plate tectonics.
What did Wegener get wrong about continental drift?
The greatest problem facing Wegener was the lack of direct evidence for the movements of continents (no GPS at the time!) and no mechanism was known to be powerful enough to move entire continents.
Which of the following evidence does not support the continental drift theory?
Answer: The theory doesn’t consider oceans. Forces like buoyancy tidal currents and gravity are too weak to be able to move continents. Modern theories (Plate Tectonics) accept the existence of Pangaea and related landmasses but give a very different explanation to the causes of drift.
What do Glossopteris fossils tell us about the early position of the continents?
The glossopteris fossils reflects the evidence of separation of continents like southern Africa Australia India and Antarctica which was largely separated by huge and wide ocean which was larlier connected with each other.
Why did other scientists disagree with Wegener?
The main reason that Wegener’s hypothesis was not accepted was because he suggested no mechanism for moving the continents. He thought the force of Earth’s spin was sufficient to cause continents to move but geologists knew that rocks are too strong for this to be true.
Why did scientists not accept the Continental Drift hypothesis quizlet?
Why did scientists not accept the Continental Drift hypothesis? It was based on observations from the southern hemisphere which was unfamiliar to most geologists. … Wegener suggested the thick continents moved through the thinner ocean crust.
What aspects of the Continental Drift theory is opposed by the seafloor spreading theory?
Similar to Wegener’s theory that continents do in fact move Hess’ seafloor spreading contradicted Wegener’s continental drift in that it involved the ocean sea floor moving as it expanded—instead of continents ploughing through the sea.
Who proposed the Continental Drift theory Brainly?
“scientists Alfred wegener“.
Who discovered Pangea?
meteorologist Alfred WegenerGerman meteorologist Alfred Wegener first presented the concept of Pangea (meaning “all lands”) along with the first comprehensive theory of continental drift the idea that Earth’s continents slowly move relative to one another at a conference in 1912 and later in his book The Origin of Continents and Oceans (1915).
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How did Pangea break apart?
Scientists believe that Pangea broke apart for the same reason that the plates are moving today. The movement is caused by the convection currents that roll over in the upper zone of the mantle. … About 200 million years ago Pangaea broke into two new continents Laurasia and Gondwanaland.
What accounts for the weakness of the continental drift theory?
Drawbacks of Continental Drift Theory
The theory doesn’t consider oceans. … Forces like buoyancy tidal currents and gravity are too weak to be able to move continents. Modern theories (Plate Tectonics) accept the existence of Pangaea and related landmasses but give a very different explanation to the causes of drift.
What did Wegener use to support the continental drift hypothesis?
Wegener used fossil evidence to support his continental drift hypothesis. The fossils of these organisms are found on lands that are now far apart. Grooves and rock deposits left by ancient glaciers are found today on different continents very close to the equator.
What are 6 pieces of evidence that support continental drift?
The four pieces of evidence for the continental drift include continents fitting together like a puzzle scattering ancient fossils rocks mountain ranges and the old climatic zones’ locations.
Which statement is supported by the theory of continental drift?
Unit test
| Question | Answer |
|---|---|
| Which statement best describes the theory of continental drift in terms of evidence that the continents move and the mechanism driving their movement | The theory was supported by the evidence and included a mechanism |
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Which two pieces of fossil evidence supports the idea of continental drift?
The fossils of the reptiles Mesosaurus and Lystrosaurus and a fernlike plant called Glossopteris have been found on widely separated landmasses. This convinced Wegener that the continents had once been united. Wegener used evidence from climate change to further support his theory.
How does the Glossopteris fossil support continental drift?
Now the Glossopteris seed is known to be large and bulky and therefore could not have drifted or flown across the oceans to a separate continent. Therefore the continents must have been joined at least one point in time in order to maintain the Glossopteris’ wide range across the southern continents.
How does coal deposits support continental drift?
The coal deposits only mean that Antarctica might have been positioned in a part of the Earth where it once supported large quantities of life. … This leads to the idea that Antarctica once experienced a tropical climate thus it might have been closer to the equator.
What does the discovery of Glossopteris in five continents suggest?
The distribution of Glossopteris across several now detached landmasses led Eduard Suess amongst others to propose that the southern continents were once amalgamated into a single supercontinent—Pangea. … Glossopterids were thus one of the major casualties of the end-Permian mass extinction event.
Which of the following was not used in support of the continental drift hypothesis?
Cards
| Term Wegener’s continental drift hypothesis stated that all the continents once joined together to form… | Definition A single continen |
|---|---|
| Term which of the following was NOT used in support of the continental drift hypothesis> | Definition |
What causes continental drift?
The causes of continental drift are perfectly explained by the plate tectonic theory. The earth’s outer shell is composed of plates that move a little bit every year. Heat coming from the interior of the earth triggers this movement to occur through convection currents inside the mantle.
What other contributions did Alfred Wegener make towards science?
Wegener was a German meteorologist geophysicist and polar researcher. In 1915 he published ‘The Origin of Continents and Oceans’ which outlined his theory of Continental Drift. Wegener was a member of four expeditions to Greenland.
Wegener believed that continental drift explained fossils of tropical plants found in places that today have a polar climate. … Most scientists rejected Wegener’s theory because he could not explain the force that pushes or pulls the continents.
What other evidence did Wegener need in order to convince scientists that his theory of continental drift was correct quizlet?
What other evidence did Wegener need in order to convince scientists that his theory of continental drift was correct? Wegener found coal in Greenland and claimed that this supported his ideas about continental drift. How does coal in Greenland support the idea of continental drift?
Why do scientist think that lithosphere has to be destroyed somewhere on or in the earth?
Why do scientists think that lithosphere has to be destroyed somewhere on or in the earth? Lithosphere is created at divergent boundaries and the earth is not getting any larger.
What evidence did Pellegrini support his theory?
He based this theory on the fact that he had found plant fossils in both Europe and the United States that were identical. He found matching fossils on all of the continents. Also Pellegrini proposed a large change in the Earth’s size during the time of the Biblical Genesis account.
How does continental drift and seafloor spreading support plate tectonics?
Significance. Seafloor spreading helps explain continental drift in the theory of plate tectonics. When oceanic plates diverge tensional stress causes fractures to occur in the lithosphere. … At a spreading center basaltic magma rises up the fractures and cools on the ocean floor to form new seabed.
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How do evidence of continental drift and seafloor spreading prove that the plates move?
In 1915 Wegener proposed his continental drift theory. He said that the continents floated atop the mantle-a heavier denser layer of rocks deep within the earth. … This evidence led early marine geologists to deduce that the mid-ocean ridges were formed by seafloor volcanoes.
Who is the father of continental drift?
Alfred Wegener: The Father of Continental Drift.
What caused the tectonic plates to move?
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