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sergij07 [2.7K]
3 years ago
13

Through gravitational compression, earth's layers were formed by the process of ____. question 28 options:

Geography
2 answers:
dybincka [34]3 years ago
8 0
C. Density stratification  
Let's look at the options and see what makes sense.  
A. Plate tectonics 
* This has to do with the movement of the Earth's crust. Doesn't really involve the separation or formation of the layers. So this is a bad choice.  
B. Accretion 
* This was key in the original creation of Earth, but doesn't address why the layers separated out. So another bad choice.  
C. Density stratification 
* This is pretty much dead on. The denser parts of the earth during accretion, migrated towards the center with less dense layers going on top. So this is the correct choice.  
D. Subduction 
* This is an aspect of plate tectonics where one place is pushed underneath another plate. Doesn't have a lot to do with layer creation, so a bad choice.  
E. Condensation 
* This process happened when vaporized compounds cool and condense into liquids and solids. Not a part of layer generation, so a bad choice.
Tresset [83]3 years ago
3 0
Through   gravitational  compression,  earth  layers  were  formed  by process  called density  stratification.   this  process  describe  the  layer  of  water in  a    body  of  water  with  a  layer   of  cold  dense  water  at  the  bottom were  the temperatures  are  above freezing point, A  water  layer  float  on  top and  when  the  water  on  the  surface  coll  to  about  4  degrees  it sinks
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