The chromosphere of the Sun a. is hotter than the photosphere. ...

[P68T]

The chromosphere of the Sun
 
  a. is hotter than the photosphere.
  b. appears yellow-white in color during total solar eclipse.
  c. is the visible surface of the Sun.
  d. produces an absorption spectrum.
  e. all of the others.

Question 2

When Mars is located directly behind Earth with respect to the Sun in its orbit, it is
 
  a. at the midpoint in the sky between east and west at sunset.
  b. at the midpoint in the sky between east and west at midnight.
  c. at the midpoint in the sky between east and west at sunrise.
  d. at the midpoint in the sky between east and west at noon.
  e. not visible in the night sky.

[Chocorrol77]

Answer to Question 1

a

Answer to Question 2

b

[P68T]

Thanks for the timely response, appreciate it

[gcook]

Excellent