In correct order from the center outward,Earth includes which units?
A) core,inner mantle,outer mantle,crust
B) inner core,outer core,mantle,crust
C) inner core,crust,mantle,hydrosphere
D) core,crust,mantle,hydrosphere
Correct Answer:
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Q21: Which of the following layers in the
Q22: Light elements like hydrogen and helium form
Q23: The _ refers to the sum total
Q24: The Oort cloud is _.
A)an unusual type
Q25: The asthenosphere is actually a part of
Q27: Comets are made up primarily of _.
A)iron-nickel
Q28: Oceanic crust is generated at _.
A)hot spots
Q29: The _ is the thinnest layer of
Q30: Continental shields and platforms represent _.
A)sites where
Q31: The composition of the earth's inner core
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