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Oksanka [162]
3 years ago
14

The main component of the white matter of the brain is?​

Biology
1 answer:
djverab [1.8K]3 years ago
3 0
White matter is found in the deeper tissues of the brain, It contains nerve fibers (axons), which are extensions of nerve cells Many of these nerve fibers are surrounded by a type of sheath or covering called myelin. Myelin gives the white matter its color.
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Fossils of the same type and same age have been found on different continents. If we were to put South America and Africa togeth
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Answer:

there have been several cases where fossils of the same type and age where found on different continents.

For example:-

"The Mesosaurus" which is an extinct genus of reptile from the Early Permian and was found in the continents of southern Africa and South America.

This seems to point to the fact that once all the continents were togethe, and they are now separate due to the Continental drift. ( the theory that states that all the continents were earlier one big form of landmass, but they have moved away from each other thus appearing to have "drifted" across the ocean bed."

But again these are all just theories and speculations but findings like these strengthen them and make people believe in these theories. They haven't exactly been confirmed. Like the evolution theory.

i hope this helps.

have a great day ahead :)

4 0
3 years ago
What is the history of Galápagos Islands? I need help!
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Hello LonelyPerson, to answer your question.
The Galápagos were officially annexed by Ecuador in February 12 1832 and were named "Archipelago del Ecuador.". It is still today officially a province of Ecuador. Ecuador claimed the <span>Galápagos Islands</span> just three years before their most famous visitor, Charles Darwin, dropped anchor on the Beagle and stepped ashore and into history.

         Signed by, Virtuoso Sargedog
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3 years ago
How many bronchi do we have?
lorasvet [3.4K]

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30,000

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you welcom hope this helped you guys!

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Which term best describe the earthworm's role in it's habitat
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decomposing and recycling organic materials in it's habitat.

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what is one defining feature of a prokaryotic cell? cytoplasm surrounds organelles organelles are not membrane-bound membrane-bo
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Prokaryotic cells also have loose/free/a ring of DNA (not confined to a nucleus) and they can also sometimes have a capsule (slimy outer layer). Also they have slightly smaller ribosomes- 70s instead of 80s.
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