Why are mercury and the earths moon so cratered? 
       
      
                
     
    
    
    
    1  answer:
            
              
They are cratered because of meteoroids, neither of them have an atmosphere to disintegrate the meteors, and neither of them have water to erode the craters.
                                
             
         	
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Field strength = (15 V) / (4 cm) 
Field strength = (15 V) / (0.04 meter)
Field strength = (15/0.04) (volts/meter)
<em>Field strength = 375 volts/meter  </em>
 
        
                    
             
        
        
        
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Hydrosphere - all the waters on the earth’s surface.
        
             
        
        
        
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A) Although the speed is the same, the direction has changed. Therefore, the velocity has changed.
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Answer: 
112.36 pounds
Explanation: 
Since 1 pound = 4.45 Newtons, a 500N child in pounds = 500÷4.45 = 112.36 pounds (approximately).