Fact 1: Aplanet rotating causes cycles of day and night on that planet.

Fact 2: Day and night temperatures varied widely.

Given the two facts above, answer the question "A planet rotating causes" with the following options: 
- our nearest star
 - varied temperatures
 - tides
 - humidity
 - global warming
 - flow of electrons
 - gravity
 - Physical weathering


 

  varied temperatures       