The Sun has a continuous visual spectrum with dark absorption ...

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The Sun has a continuous visual spectrum with dark absorption lines. The continuous spectrum is produced by the ____________ layer while the dark absorption lines are produced by ____________layers.
 
  a. inner chromosphere; outer photosphere
  b. inner photosphere; outer chromosphere
  c. inner chromosphere; outer corona
  d. inner corona, outer chromosphere

Question 2

A(n) ___________________ _ is a circle whose center moves in a circular orbit around the Earth.
 
  Fill in the blank(s) with correct word

[akpaschal]

Answer to Question 1

b

Answer to Question 2

epicycle