This
 is
 true 
Electromagnetic waves travel fastest through vacuum
        
             
        
        
        
Light from the stars, because the orbits make it difficult to see them. 
        
                    
             
        
        
        
Jogging side by side since the speed is equal and the direction is the same i.e same velocity
        
             
        
        
        
Answer: 7.5 rev/s
Explanation:
We are given the angular velocity  a helicopter's main rotor blades:
 a helicopter's main rotor blades:

However, we are asked to express this  in the International Systrm (SI) units. In this sense, the SI unit for time is second (
 in the International Systrm (SI) units. In this sense, the SI unit for time is second ( ):
):


 
        
             
        
        
        
I believe the answer here is <span>C).seedless, seed (nonflowering), and seed (flowering).</span><span>
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