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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Liomustafa Liomustafa
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6 years ago
What are the four stages of Terrestrial planet development?
 
  What will be an ideal response?

Question 2

When a gas is so dense that most of its electrons are not free to change their energies, it is called _______________.
 
  Fill in the blank(s) with correct word

Question 3

Astronomers believe that some of the abundant water on Earth arrived late in the formation process as a bombardment of _______________.
 
  Fill in the blank(s) with correct word
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Replies
wrote...
#1
6 years ago
Answer to q. 1

Differentiation produced a dense core, thick mantle, and low-density crust.
The young Earth was heavily bombarded in the debris-filled early Solar System.
Flooding by molten rock and later by water filled lowlands.
Slow surface evolution continues due to geological processes,including erosion.

Answer to q. 2

degenerate matter

Answer to q. 3

comets
icy planetesimals
icy comets
Liomustafa Author
wrote...
#2
6 years ago
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