You are presented with the question "the moon revolving around the Earth causes what?" and the following answer choices: 
- friction
 - energy
 - colors
 - Energy.
 - cycles
 - our star
 - new moon
 - heat

Now knowing that the moon revolving around the Earth causes the phases of the moon and lets start our discussion of the Moon's phases with the New Moon phase, choose the best answer.


 

       new moon  