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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Hank Hank
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6 years ago
Which of the following is NOT one of the four stages in the development of a terrestrial planet?
 
  a. flooding
  b. cratering
  c. slow surface evolution
  d. fusion of hydrogen to helium
  e. differentiation

Question 2

____________________ are groups of 100,000 to 1,000,000 population II stars firmly bound by gravity.
 
  Fill in the blank(s) with correct word

Question 3

Sunspots often appear in pairs.
 
  Indicate whether the statement is true or false
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dymasrajadymasraja
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6 years ago
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Hank Author
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#2
6 years ago
Thank you for being my superhero!
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