The process of making an electron less tightly bound to an atom's ...

[torybrooks]

The process of making an electron less tightly bound to an atom's nucleus is known as
 
  a. excitation.
  b. Doppler broadening.
  c. collisional broadening.
  d. a red shift.
  e. quantum mechanics.

Question 2

The seasons are caused by the precession of Earth's axis.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[nekcihc358]

Answer to Question 1

a

Answer to Question 2

False

[torybrooks]

Thanks for the timely response, appreciate it

[triiciiaa]

Excellent