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Romashka-Z-Leto [24]
3 years ago
10

Which statements describe Wegener’s ideas that became known as the theory of continental drift?

Geography
1 answer:
SVETLANKA909090 [29]3 years ago
5 0

Answer:A) The continents move.

B) The continents drifted apart over a long period.

C) The continents were once connected as one landmass.

Explanation:

Continental drift is the theory that continents were once ONE huge landmass and each continent shifted relative to other continents over many years. In 1912, Alfred Wegener named the single landmass Pangea.

According to Wegener, Pangea split about 200 million years ago, giving way to the oceans currently separating the continents. Prior to 1912, some scientists such as Roberto Mantovani had attribute the separation of the continents to volcanic activity, but this has since been proven to be wrong.

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Earth is highly tectonically active because the solid layer of the earth sits on a moving, semi-liquid layer.

The earth's crust is broken into slabs. Together with part of the upper mantle, they form a layer called the lithosphere. These solid lithospheric bodies are called tectonic plates.

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This is the reason why the earth is tectonically active.

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