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Q: Why is the composition of the crustal layer of earth of great interest?
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What is meant by the Earth's crust?

It is a composition of great variety of igneous, metaphoric, and sedimentary rocks.


What is the main rock that forms the earth's crust out of the three types of rocks?

If this is a test question, beware! The most common answer served up by public education would be 'igneous rock'. However, the bulk of crustal rock is metamorophic. The reason for this is fairly simple: rock metamorphoses at higher temperature and pressure, both of which increase significantly with depth from the surface. Since oceanic crustal rock is on average 5 miles in depth, and continental crust is on average 30 miles in depth, the bulk of the crustal rock is exposed to great pressures and temperatures. When it is written that oceanic crust is mainly basalt, an igneous rock, and continental crust is mainly granite, also an igneous rock, it is mainly in reference to their chemical composition, not their classification by type. Warning: be prepared to back up your 'metamorphic' answer.


What do the composition and texture of a rock indicate?

The composition and texture of a rock are great indicators of the rock's type and method of formation.


The best evidence of crustal movement in Iceland is?

The folding of sedimentary rocks into mountains need a great deal of crustal movement. Most sedimentary rocks form below sea level in marine enviornments. The horizontal sedimentary rocks have Tobe folded and uplifed thousands of meters to form mountains.


Which invention had the great impact on musical composition in the Renaissance?

The printing press


In India the composition of great epics were believed to be written as early as?

400 to 200bce


What is the last great race on earth?

the iditorod is the last great race on earth


What was the Great Awakening and what caused the Great Awakening?

The increase of interest in books and learning.


What are the point of interest of great plains?

punctuality story


Renaissance authors had a great interest in literature?

Classic


What is the age of great change marked by renewed interest in classical learning and the arts?

The Renaissance is the age of great change marked by renewed interest in classical learning and the arts.


Do neuroglia regulate extracellular fluid composition?

Yes, reguarly too. When they get bored they are like, 'Dude, lets' regulate extracellular fluid composition'. 'That sounds like a great idea!'