UNIVERSE
SATELLITESICY BODIES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Alfred Wegener’s theory of continental drift was crucial to the development of plate tectonic theory today. Which of the following data was used by Wegener to support his hypothesis? I. Identical fossils of plants and animals on continents separated by ocean.II. Fossils of plants and animals that lived in climates that did not match the modern environment.III. Similar mineral formations and crustal features on continents separated by ocean. IV. Land formations that had undergone similar patterns of weathering.
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Only I
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III and IV
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I, II, and III
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I, II, III, and IV
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Explanation:
Detailed explanation-1: -He hypothesized that all of the modern-day continents had previously been clumped together in a supercontinent he called Pangaea (from ancient Greek, meaning “all lands” or “all the Earth”). Over millions of years, Wegener suggested, the continents had drifted apart. He did not know what drove this movement, however.
Detailed explanation-2: -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.
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