A. electrons<span> and </span>neutrons<span> B. </span>electrons<span> and </span>protons<span> C. </span>protons<span> and </span>neutrons<span> D. all particles are attracted to each other. According to atomic theory, </span>electrons<span> are usually found: A. in the </span>atomic nucleus<span> B. outside the nucleus, yet very near it because they are attracted to the </span>protons<span>.</span>
        
             
        
        
        
Answer:
Coefficient of friction.
Explanation:
The amount of friction divided by the weight of an object is equal to the coefficient of friction. It is a dimensional less number. It can be given by :

N is normal force.
 = coefficient of friction

 
        
             
        
        
        
D. Power. The unit of power is watt.
        
             
        
        
        
Answer:
the answer to the question is the part that is reflected by clouds and atmosphere 26%
 
        
             
        
        
        
Answer:
X-rays go all the way through the body, but ultraviolet rays do not. 
Explanation:
An x-ray will show inside the body, but uv light isn't strong enough to go all the way through the body.