Answer:
Earth 24 hours, mercy 1,408 , venus 5,832
Explanation:
 
        
                    
             
        
        
        
Answer:
It is the tilt of Earth's axis and Earth's rotation. 
Explanation:
 Both tilt and rotation are required for the perpendicular rays to move.
 
        
                    
             
        
        
        
Answer:
The 180th meridian or antimeridian is the meridian 180° both east and west of the Prime Meridian, with which it forms a great circle dividing the earth into the Western and Eastern Hemispheres.
Explanation: