You are presented with the question "rotation cause what?" and the following answer choices: 
- waves
 - seasons
 - cracks
 - weather
 - night
 - storms
 - Injury
 - motion

Now knowing that aplanet rotating causes cycles of day and night on that planet and time is movement, the motion of the planet in its rotation and its movement around the sun, choose the best answer.


 

     night    