Each element has its own set of characteristic absorption lines ...

[saliriagwu]

Each element has its own set of characteristic absorption lines because
 
  a. the temperature of each element can varies.
  b. elements can exist in different forms of matter.
  c. electron energy levels differ for each element.
  d. each element has a different mass.
  e. absorption lines depend upon the speed of the object.

Question 2

During an annular eclipse of the Sun, the corona of the Sun is visible.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[dpost18]

Answer to Question 1

c

Answer to Question 2

False

[saliriagwu]

Wow, this really help

[Liamb2179]

Excellent