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e-lub [12.9K]
3 years ago
15

Walls consists of 3 layers

Biology
1 answer:
Galina-37 [17]3 years ago
6 0
What wall? If you are talking about the vein wall then the 3 walls are; tunica adventitia, tunica intima, tunica media. If it’s another wall you are talking about, let me know.
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Answer:

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The east coast of South America and the west coast of Africa seem to fit together like pieces of a jigsaw puzzle, and Wegener discovered their rock layers “fit” just as clearly. South America and Africa were not the only continents with similar geology. Most all of the other continents fit together too.

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