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Home Q & A Board Science-Related Homework Help Physics Astronomy
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Stevend95 Stevend95
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6 years ago
Which of the following was NOT a source of heat that helped differentiate the Earth?
 
  A) solar radiation
  B) impacts
  C) gravitational potential energy
  D) radioactive decay

Question 2

Photons are emitted when a bound electron jumps up to a(n) ________ energy state.
 
  A) lower
  B) higher
  C) zero
  D) infinite

Question 3

Another name for the POLARIZING ANGLE is the
 
  A) Moles angle.
  B) refracted angle.
  C) Brewster angle.
  D) Land angle.

Question 4

The third SHELL has how many sub-shells?
 
  A) 2
  B) 6
  C) 4
  D) 3
  E) 5
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Replies
wrote...
#1
6 years ago
Answer to q. 1

A

Answer to q. 2

A

Answer to q. 3

C

Answer to q. 4

D
Stevend95 Author
wrote...
#2
6 years ago
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