Author Question: Quasars are caused by galaxy collisions in the early Universe. a. True b. False Indicate ... (Read 73 times)

strangeaffliction · **on:** Jul 27, 2018

Quasars are caused by galaxy collisions in the early Universe.

a. True
b. False
Indicate whether the statement is true or false

Question 2

The amount of energy needed to move an electron from a lower energy level to a higher energy level is the ____.

a. energy of the higher level
b. energy of the lower level
c. difference in energy between the two levels
d. product of the energies of the two levels
e. binding energy